Muscles, Musles, Músculos, Misk Yo Flashcards

(550 cards)

1
Q

Temporalis action

A

Elevate and retract the mandible.

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2
Q

Temporalis origin

A

Temporal fossa and fascia

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3
Q

Temporalis insertion

A

Coronoid process and ramus of the mandible.

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4
Q

Digastric action

A

Depress and retract the mandible
Elevates hyoid bone.

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5
Q

Digastric origin

A

Mastoid process

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6
Q

Digastric insertion

A

Inferior border of the mandible.

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7
Q

Platysma action

A

Depress the mandible
Tighten neck fascia
Draw down corner of the mouth.

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8
Q

Platysma origin

A

Fascia covering the superior pectoralis major

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9
Q

Platysma insertion

A

Base of the mandible
Skin of lower part of the face.

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10
Q

Masseter action

A

Elevates and protracts the mandible

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11
Q

Masseter origin

A

Zygomatic arch

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12
Q

Masseter insertion

A

Angle and ramus of the mandible

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13
Q

Sternocleidomastoid action

A

Unilaterally:
Laterally flex head and neck to the same side.
Rotate the head and neck to the opposite side.
Bilaterally:
Flex the neck
Assist to elevate the rib cage during inhalation

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14
Q

Sternocleidomastoid origin

A

Sternal head- manubrium
Clavicular head- clavicle

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15
Q

Sternocleidomastoid insertion

A

Mastoid process

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16
Q

Anterior Scalene action

A

Laterally flex the head and neck to the same side.
Rotate head and neck to the opposite side.
Elevate ribs during inhalation
Flex the head and neck.

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17
Q

Anterior Scalene origin

A

Transverse process of C3-C6

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18
Q

Anterior Scalene insertion

A

First rib.

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19
Q

Middle Scalene action

A

Laterally flex the head and neck to the same side.
Rotate head and neck to the opposite side.
Elevate ribs during inhalation.

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20
Q

Middle Scalene origin

A

Transverse process of C2-C7

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21
Q

Middle Scalene insertion

A

First rib

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22
Q

Posterior Scalene origin

A

TP of C6 & C7

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23
Q

Posterior Scalene insertion

A

Second rib

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24
Q

Medial Pterygoid action

A

Laterally deviate the mandible to the opposite side
Elevates, protracts the mandible.

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25
Medial Pterygoid origin
Medial surface of lateral pterygoid plate of sphenoid bone and tuberosity of maxilla
26
Medial Pterygoid insertion
Medial surface of ramus of the mandible
27
Lateral Pterygoid action
Laterally deviate the mandible to the opposite side Protract the mandible
28
Lateral Pterygoid origin
Superior head- Infratemporal surface and crest of greater wing of sphenoid bone Inferior head- Lateral surface of lateral pterygoid plate of sphenoid bone
29
Lateral Pterygoid insertion
Articular disc and capsule of TMJ, neck of mandible.
30
Sternohyoid action (infra)
Depress the hyoid bone and thyroid cartilage.
31
Sternohyoid origin (infra)
Manubrium
32
Sternohyoid insertion (infra)
Hyoid bone
33
Thyrohyoid origin (infra)
Thyroid cartilage
34
Omohyoid origin (infra)
Superior border of the scapula
35
Sternothyroid origin (infra)
Manubrium
36
Stylohyoid action (supra)
Elevate hyoid and tongue Depress mandible
37
Stylohyoid origin (supra)
Styloid process
38
Mylohyoid origin (supra)
Underside of the mandible
39
Geniohyoid origin (supra)
Underside of the mandible
40
Subclavius action
Depress the clavicle and draw it anteriorly. Elevate the first rib (inhalation) Stabilize the sternoclavicular joint
41
Subclavius origin
First rib and cartilage
42
Subclavius insertion
Inferior surface of the clavicle
43
Serratus Anterior action
Abduct (protraction), upwardly rotate, depress the scapula. Hold the medial border of the scapula against the rib cage. (Think push up, moving body away from floor)
44
Serratus Anterior origin
Upper eight or nine ribs
45
Serratus Anterior insertion
Medial border of the scapula.
46
Rhomboid Minor action
Adduct, elevate, downwardly rotate the scapula
47
Rhomboid Minor origin
SP of C7 and T1
48
Rhomboid Minor insertion
Upper medial border of the scapula
49
Rhomboid Major origin
SP T2-T5
50
Rhomboid Major insertion
Medial border of the scapula between the spine of the scapula and inferior angle
51
Pectoralis Major action
All fibers: Adduct and medially rotate the shoulder (think reaching behind back) Elevate thorax (inhalation) Upper fibers: Flex and horizontally adduct the shoulder. Lower fibers: extend the shoulder
52
Pectoralis Major origin
Medial half of the clavicle, sternum, and cartilage of the first through sixth ribs
53
Pectoralis Major insertion
Crest of greater tubercle of the humerus.
54
Pectoralis Minor action
Depress, abduct (protract), downwardly rotate the scapula Elevate the thorax (inhalation)
55
Pectoralis Minor origin
Third, fourth, and fifth ribs
56
Pectoralis Minor insertion
Medial surface of coracoid process of the scapula.
57
Levator Scapula action
Elevate and downwardly rotate the scapula. Laterally flex and extend the neck Rotate the head and neck to the same side Bilaterally: Extend the head and neck
58
Levator Scapula origin
TP C1-C4
59
Levator Scapula insertion
Medial border of superior angle of the scapula.
60
Trapezius action
Upper fibers: Extend the head and neck Laterally flex head and neck to the same side. Rotate head and neck to the opposite side Elevate and upwardly rotate the scapula. Middle fibers: Adduct and stabilize the scapula Lower fibers: Depress and upwardly rotate the scapula
61
Trapezius origin
External occipital protuberance, medial portion of superior nichai line of the occiput, ligamentum nuchae, and SP of C7-T12
62
Trapezius insertion
Upper lateral border of the clavicle, acromion, spine of the scapula
63
Deltoid action
All fibers: Abduct the shoulder Anterior fibers: Flex, medially rotate, horizontally adduct the shoulder Posterior fibers: Extend, laterally rotate, horizontally abduct the shoulder
64
Deltoid origin
Lateral clavicle, acromion, and spine of scapula.
65
Deltoid insertion
Deltoid tuberosity
66
Infraspinatus action
Laterally rotate and adduct the shoulder Stabilize the head of humerus in glenoid cavity
67
Infraspinatus origin
Infraspinous fossa of the scapula
68
Infraspinatus insertion
Greater tubercle of the humerus
69
Teres Minor action
Laterally rotate and adduct the shoulder Stabilize the head of humerus in glenoid cavity
70
Teres Minor origin
Lateral border of the scapula
71
Teres Minor insertion
Greater tubercle of the humerus
72
Teres Major action
Extend, adduct, medially rotate the shoulder
73
Teres Major origin
Inferior angle and lower lateral border of the scapula
74
Teres Major insertion
Crest of the lesser tubercle of the humerus
75
Latissimus Dorsi action
Extend, adduct, medially rotate the shoulder
76
Latissimus Dorsi origin
Inferior angle of scapula, spinous processes of last six thoracic vertebrae, last three or four ribs, thoracolumbar fascia, and posterior iliac crest
77
Latissimus Dorsi insertion
Intertubercular groove of the humerus
78
Supraspinatus action
Abduct the shoulder Stabilize the head of humerus in glenoid cavity
79
Supraspinatus origin
Supraspinous fossa of the scapula
80
Supraspinatus insertion
Greater tubercle of the humerus
81
Subscapularis action
Medially rotate the shoulder Stabilize the head of humerus in glenoid cavity
82
Subscapularis origin
Subscapular fossa of the scapula
83
Subscapularis insertion
Lesser tubercle of the humerus
84
Erector Spinae Group (Spinalis, Longissimus, Iliocostalis) action
Laterally flex vertebral column to the same side Extend the vertebral column
85
Spinalis origin
SP of upper lumbar and lower thoracic (Thoracis) Ligamentum nuchae, spinous process of C7 (Cervicis)
86
Spinalis insertion
SP of upper thoracic (thoracis) SP of cervicals, except C1
87
Longissimus origin
Common tendon (thoracis) TP of upper five thoracic vertebrae (cervicis and capitis)
88
Longissimus insertion
Lower nine ribs and TP of thoracic vertebrae (thoracis) TP of cervical vertebrae (cervicis) Mastoid process of temporal bone (capitis)
89
Iliocostalis origin
Common tendon (lumborum) Posterior surface of ribs 1-12 (thoracis and cervicis)
90
Iliocostalis insertion
TP of lumbar vertebrae L1-L3 and posterior surface of ribs 6-12 (lumborum) Posterior surface of ribs 1-6 (thoracis) TP of lower cervicals (cervicis)
91
Splenius Capitis action
Rotate and laterally flex head and neck to the same side. Extend the head and neck
92
Splenius Capitis origin
Inferior one-half of ligamentum nuchae and SP of C7-T4
93
Splenius Capitis insertion
Mastoid process and lateral portion of superior nuchal line.
94
Rectus Abdominus action
Flex the vertebral column Tilt pelvis posteriorly
95
Rectus Abdominis origin
Pubic crest, pubic symphysis
96
Rectus Abdominis insertion
Cartilage of fifth, sixth, and seventh ribs and xiphoid process
97
External Oblique action
Laterally flex vertebral column to the same side. Rotate vertebral column to the opposite side. Flex the vertebral column. Compress abdominal contents.
98
External Oblique origin
External surfaces of fifth to twelfth ribs
99
External Oblique insertion
Anterior part of iliac crest, rectus sheath to linea alba
100
Internal Oblique action
Unilaterally: Laterally flex vertebral column to the same side Rotate vertebral column the same side Bilaterally: Flex the vertebral column Compress abdominal contents
101
Internal Oblique origin
Lateral inguinal ligament, iliac crest, and thoracolumbar fascia
102
Internal Oblique insertion
Internal surface of lower three ribs, rectus sheath to linea alba
103
External Intercostals action
Draw the ribs superiorly (increasing the space of the thoracic cavity) to assist with inhalation
104
External Intercostals origin
Inferior border of the rib above
105
External Intercostals insertion
Superior border of the rib below
106
Iinternal Intercostals action
Draw the ribs inferiorly (decreasing the space of the thoracic cavity) to assist with exhalation
107
Internal Intercostals origin
Inferior border of the rib above
108
Internal Intercostals insertion
Superior border of the rib below
109
Serratus Posterior Inferior action
Depress the ribs during exhalation
110
Serratus Posterior Inferior origin
SP of T12-L3
111
Serratus Posterior Inferior insertion
Posterior surface of ninth through twelfth ribs
112
Biceps Brachii action
Flex the elbow Supinate the forearm Flex the shoulder
113
Biceps Brachii origin
Short head- Coracoid process of scapula Long head- supraglenoid tubercle of scapula
114
Biceps Brachii insertion
Tuberosity of the radius and aponeurosis of the biceps brachii
115
Triceps Brachii action
All heads: Extend the elbow Long head: Extend and adduct the shoulder
116
Triceps Brachii origin
Long head- infraglenoid tubercle of the scapula Lateral head- Posterior surface of proximal half of the humerus Medial head- Posterior surface of distal half of the humerus
117
Triceps Brachii insertion
Olecranon process of the ulna
118
Coracobrachialis action
Flex and adduct the shoulder
119
Coracobrachialis origin
Coracoid process of the scapula
120
Coracobrachialis insertion
Medial surface of mid-humeral shaft
121
Longus Capitis action
Unilaterally: Laterally flex and rotate the head and neck to the same side Bilaterally: Flex the head and neck
122
Longus Capitis origin
TP of C3-C6
123
Longus Capitis insertion
Inferior surface of occiput
124
Longus Colli origin
Bodies of C5-T3, TP of C3-C5
125
Longus Colli insertion
Tubercle on anterior arch of the atlas; bodies of the axis, C3&C4; TP of C5-C6
126
Extensor Digitoriun action
Extends second-fifth fingers Assist to extend the wrist
127
Extensor Digitorum origin
Common extensor tendon from the lateral epicondyle of humerus
128
Extensor Digitorum insertion
Bases of middle and distal phalanges of second through fifth fingers
129
Extensor Carpi Radialis Longus action
Extend the wrist Abduct the wrist Assist to flex the elbow
130
Extensor Carpi Radialis Longus origin
Distal one-third of the lateral supracondylar ridge of humerus
131
Extensor Carpi Radialis Longus insertion
Base of second metacarpal
132
Extensor Indicis action
Extend and abduct the second finger May assist to extend the wrist
133
Extensor Indicis origin
Posterior surface of distal shaft of ulna and interosseous membrane
134
Extensor Indicis insertion
Tendon of the extensor digitorium at the level of the second metacarpal
135
Pronator Quadratus action
Pronate the forearm
136
Pronator Quadratus origin
Medial, anterior surface of distal ulna
137
Pronator Quadratus insertion
Lateral, anterior surface of distal radius
138
Abductor Pollicus Longus action
Abduct and extend the thumb Abduct the wrist
139
Abductor Pollicis Longus origin
Posterior surface of radius and ulna, and interosseous membrane
140
Abductor Pollicis Longus insertion
Base of first metacarpal
141
Extensor Pollicis Longus action
Extend the thumb (interphalangeal, metacarpophalangeal, and carpometacarpal joints) Abduct the wrist
142
Extensor Pollicis Longus origin
Posterior surface of ulna and interosseous membrane
143
Extensor Pollicis Longus insertion
Base of distal phalanx of thumb
144
Extensor Pollicis Brevis action
Extend the thumb Abduct the wrist
145
Extensor Pollicis Brevis origin
Posterior surface of radius and interosseous membrane
146
Extensor Pollicis Brevis insertion
Base of proximal phalanx of thumb
147
Flexor Pollicis Longus action
Flex the thumb Assist to flex the wrist
148
Flexor Pollicis Longus origin
Anterior surface of radius and interosseous membrane
149
Flexor Pollicis Longus insertion
Base of distal phalanx of thumb
150
Abductor Pollicis Brevis action
Abduct the thumb Assist in opposition of the thumb
151
Abductor Pollicis Brevis origin
Flexor retinaculum, trapezium and scaphoid tubercles
152
Abductor Pollicis Brevis insertion
Base of proximal phalanx of thumb
153
Flexor Pollicis Brevis action
Flex the thumb Assist in opposition of thumb
154
Flexor Pollicis Brevis origin
Superficial head: Flexor retinaculum Deep head: Trapezium, trapezoid, and capitate
155
Flexor Pollicis Brevis insertion
Base of proximal phalanx of thumb
156
Opponens Pollicis action
Opposition of the the thumb
157
Opponens Pollicis origin
Flexor retinaculum and tubercle of the trapezium
158
Opponens Pollicis insertion
Entire length of first metacarpal bone, radial surface
159
Adductor Pollicis action
Adduct the thumb Assist to flex the thumb
160
Adductor Pollicis origin
Capitate, second and third metacarpals
161
Adductor Pollicis insertion
Base of proximal phalanx of thumb
162
Lumbricals of the Hand action
Extend and flex the second through fifth fingers
163
Lumbricals of the Hand origin
Surfaces of the flexor digitorum profundus tendons
164
Lumbricals of the Hand insertion
Extensor aponeurosis on dorsal surface of phalanges
165
Diaphragm action
Draw down the central tendon of the diaphragm Increase the volume of the thoracic cavity during inhalation
166
Diaphragm Insertion
Central tendon
167
Diaphragm origin
Costal attachment- inner surface of lower six ribs Lumbar attachment- upper two or three lumbar vertebrae Sternal attachment- inner part of xiphoid process.
168
Multifidi action
Unilaterally- Rotate the vertebral column to the opposite side Bilaterally- extend the vertebral column
169
Rotatores origin
Transverse processes of lumbar through cervical vertebrae
170
Supinator action
Supinate the forearm
171
Supinator origin
Lateral epicondyle of humerus, radial collateral ligament, annular ligament, and supinator crest of the ulna
172
Supinator insertion
Anterior, lateral surface of proximal one-third of radial shaft
173
Extensor Carpi Radialis Brevis action
Extend the wrist (radiocarpal joint) Abduct the wrist (radiocarpal joint) Assist to flex the elbow
174
Extensor Carpi Radialis Brevis origin
Common extensor tendon from the lateral epicondyle of humerus
175
Extensor Carpi Radialis Brevis insertion
Base of third metacarpal
176
Flexor Digitorum Superficialis action
Flex the second through fifth fingers Flex the wrist
177
Flexor Digitorum Superficialis origin
Common flexor tendon from medial epicondyle of humerus, ulnar collateral ligament, coronoid process of ulna, interosseous membrane, and proximal shaft of radius.
178
Flexor Digitorum Superficialis insertion
Sides of middle phalanges of second through fifth fingers
179
Flexor Carpi Ulnaris action
Flex the wrist Adduct the wrist Assist to flex the elbow
180
Flexor Carpi Ulnaris origin
Humeral head: Common flexor tendon from medial epicondyle of humerus Ulnar head: Posterior surface of proximal two-thirds of ulna
181
Flexor Carpi Ulnaris insertion
Pisiform, hook of the hamate, and base of fifth metacarpal
182
Dorsal Interossei action
Abduct the second, third, and fourth fingers at the metacarpophalangeal joints Assist to flex the second, third, and fourth fingers at the metacarpophalangeal joints Assist to extend the second, third, and fourth fingers at the interphalangeal joints.
183
Dorsal Interossei origin
Adjacent sides of all metacarpals
184
Dorsal Interossei insertion
Base of the proximal phalanx of the second, third, and fourth fingers and the extensor aponeurosis
185
Abductor Digiti Minimi action
Abduct the fifth finger Assist in opposition of the fifth finger toward the thumb.
186
Abductor Digiti Minimi origin
Pisiform and tendon of flexor carpi ulnaris
187
Abductor Digiti Minimi insertion
Base of proximal phalanx of fifth finger, ulnar surface
188
Flexor Digiti Minimi Brevis action
Flex the fifth finger Assist in opposition of the fifth finger toward the thumb.
189
Flexor Digiti Minimi Brevis insertion
Hook of hamate and flexor retinaculum
190
Flexor Digiti Minimi Brevis insertion
Base of proximal phalanx of fifth finger, palmar surface
191
Opponens Digiti Minimi action
Opposition of the fifth finger at the carpometacarpal joint
192
Opponens Digiti Minimi origin
Hook of hamate and flexor retinaculum
193
Opponens Digiti Minimi insertion
Shaft of fifth metacarpal, ulnar surface
194
Extensor Carpi Ulnaris action
Extend the wrist Adduct the wrist
195
Extensor Carpi Ulnaris origin
Common extensor tendon from the lateral epicondyle of humerus
196
Extensor Carpi Ulnaris insertion
Base of fifth metacarpal
197
Pronator Teres Action
Pronate the forearm Assist to flex the elbow
198
Pronator Teres Origin
Common flexor tendon from medial epicondyle of humerus and coronoid process of the ulna.
199
Pronator Teres insertion
Middle of lateral surface of the radius
200
Temporalis nerve innervation
Trigeminal (V) nerve
201
Digastric nerve innervation
Anterior belly: Trigeminal (V) Posterior belly: Facial (VII)
202
Platysma nerve innervation
Facial (VII)
203
Masseter nerve innervation
Trigeminal (V) nerve
204
Sternocleidomastoid nerve innervation
Spinal accessory (XI) nerve, C2, 3
205
Anterior Scalene nerve innervation
C(3), 4-8
206
Posterior Scalene action
Laterally flex the head and neck to the same side. Rotate head and neck to the opposite side. Elevate ribs during inhalation.
207
Middle Scalene nerve innervation
C(3), 4-8
208
Posterior Scalene nerve innervation
C(3), 4-8
209
Lateral Pterygoid nerve innervation
Trigeminal (V)
210
Medial Pterygoid nerve innervation
Trigeminal (V)
211
Sternohyoid nerve innervation
C1, 2, 3
212
Thyrohyoid action
Depress the hyoid bone and thyroid cartilage
213
Thyrohyoid insertion
Hyoid bone
214
Thyrohyoid nerve innervation
C1, 2
215
Omohyoid action (infra)
Depress the hyoid bone and thyroid cartilage
216
Omohyoid insertion (infra)
Hyoid bone
217
Omohyoid nerve innervation (infra)
C1, 2, 3
218
Sternothyroid action (infra)
Depress the hyoid bone and thyroid cartilage
219
Sternothyroid insertion (infra)
Thyroid cartilage
220
Sternothyroid nerve innervation
C1, 2, 3
221
Stylohyoid insertion (supra)
Hyoid bone
222
Stylohyoid nerve innervation (supra)
Facial (VII)
223
Mylohyoid action (supra)
Elevate hyoid and tongue Depress mandible
224
Mylohyoid insertion (supra)
Hyoid bone
225
Mylohyoid nerve innervation (supra)
Trigeminal (V)
226
Geniohyoid action (supra)
Elevate hyoid and tongue Depress mandible
227
Geniohyoid insertion (supra)
Hyoid bone
228
Subclavius nerve innervation
Subclavian C5, 6
229
Serratus Anterior nerve innervation
Long thoracic C5, 6, 7, 8
230
Rhomboid Major action
Adduct, elevate, downwardly rotate the scapula
231
Rhomboid Minor nerve innervation
Dorsal scapular C4, 5
232
Rhomboid Major nerve innervation
Dorsal scapular C4, 5
233
Pectoralis Major nerve innervation
Upper fibers: Lateral pectoral C5, 6, 7 Lower fibers: Lateral and medial pectoral C6, 7, 8, T1
234
Pectoralis Minor nerve innervation
Medial pectoral, with fibers from a communicating branch of the lateral pectoral C(6), 7, 8, T1
235
Levator Scapula nerve innervation
Cervical 3, 4, and dorsal scapular C4, 5
236
Trapezius nerve innervation
Spinal portion of cranial nerve XI (accessory) and ventral ramus C2, 3, 4
237
Deltoid nerve innervation
Axillary C5, 6
238
Infraspinatus nerve innervation
Suprascapular C(4), 5, 6
239
Teres Minor nerve innervation
Axillary C5, 6
240
Teres Major nerve innervation
Lower subscapular C5, 6, 7
241
Latissimus Dorsi nerve innervation
Thoracodorsal C6, 7, 8
242
Supraspinatus nerve innervation
Suprascapular C4, 5, 6
243
Subscapularis nerve innervation
Upper and lower subscapular C5, 6, 7
244
Spinalis nerve innervation
Spinal
245
Longissimus nerve innervation
Spinal
246
Iliocostalis nerve innervation
Spinal
247
Splenius Capitis nerve innervation
Cervical
248
Rectus Abdominis nerve innervation
T5, 6, T7-11, T12, ventral rami
249
External Oblique nerve innervation
(T5, 6), T7-11, T12
250
Internal Oblique nerve innervation
T7, 8, T9-12, L1
251
External Intercostals nerve innervation
Thoracic
252
Internal Intercostals nerve innervation
Thoracic
253
Serratus Posterior Inferior nerve innervation
T9, 10, 11, (12)
254
Biceps Brachii nerve innervation
Musculocutaneous C5, 6
255
Triceps Brachii nerve innervation
Radial C6, 7, 8, T1
256
Coracobrachialis nerve innervation
Musculocutaneous C6, 7
257
Longus Capitis nerve innervation
C1, 2, 3, (4)
258
Longus Colli action
Unilaterally: Laterally flex the head and neck to the same side Rotate head and neck to the same side Bilaterally: Flex head and neck
259
Longus Colli nerve innervation
C2-6, (7)
260
Extensor Digitorum nerve innervation
Radial C6, 7, 8
261
Extensor Carpi Radialis Longus nerve innervation
Radial C5, 6, 7, 8
262
Extensor Indicis nerve innervation
Radial C6, 7, 8
263
Pronator Quadratus nerve innervation
Median C7, 8, T1
264
Abductor Pollicis Longus nerve innervation
Radial C6, 7, 8
265
Extensor Pollicis Longus nerve innervation
Radial C6, 7, 8
266
Extensor Pollicis Brevis nerve innervation
Radial C6, 7, 8
267
Flexor Pollicis Longus nerve innervation
Median C(6), 7, 8, T1
268
Abductor Pollicis Brevis nerve innervation
Median C6, 7, 8, T1
269
Flexor Pollicis Brevis nerve innervation
Superficial head: Median C6, 7, 8, T1 Deep head: Ulnar C8, T1
270
Opponens Pollicis nerve innervation
Median C6, 7, 8, T1
271
Adductor Pollicis nerve innervation
Ulnar C8,T1
272
Lumbricals of the Hand nerve innervation
Second and third fingers: Median C(6), 7, 8, T1 Fourth land fifth fingers: Ulnar C(7), 8, T1
273
Diaphragm nerve innervation
Phrenic C3, 4, 5
274
Multifidi origin
Sacrum and transverse processes of lumbar through cervical vertebrae
275
Multifidi insertion
Spinous processes of lumbar vertebrae through second cervical vertebra (span two to four vertebrae)
276
Multifidi nerve innervation
Spinal
277
Rotatores action
Unilaterally: Rotate the vertebral column to the opposite side Bilaterally: Extend the vertebral column
278
Rotatores insertion
Spinous processes of lumbar vertebrae through second cervical vertebra (span one to two vertebrae)
279
Rotatores nerve innervation
Spinal
280
Supinator nerve innervation
Radial C5, 6, (7)
281
Extensor Carpi Radialis Brevis nerve innervation
Radial C6, 7, 8
282
Flexor Digitorum Superficialis nerve innervation
Median C7, 8, T1
283
Flexor Carpi Ulnaris nerve innervation
Ulnar C7, 8, T1
284
Dorsal Interossei nerve innervation
Ulnar C8, T1
285
Abductor Digiti Minimi nerve innervation
Ulnar C(7), 8, T1
286
Flexor Digiti Minimi Brevis nerve innervation
Ulnar C(7), 8, T1
287
Opponens Digiti Minimi nerve innervation
Ulnar C(7), 8, T1
288
Extensor Carpi Ulnaris nerve innervation
Radial C6, 7, 8
289
Interspinalis action
Extend the vertebral column
290
Interspinalis origin and insertion
Cervical: Spanning the spinous processes of C-2 to T-3 Lumbar: Spanning the spinous processes of T-12 to L-5
291
Interspinalis nerve innervation
Spinal
292
Semispinalis Capitis action
Extend the vertebral column and head
293
Semispinalis Capitis origin
Transverse processes of C-4 to T-5
294
Semispinalis Capitis insertion
Between the superior and inferior nuchal lines of the occiput
295
Semispinalis Capitis nerve innervation
Cervical
296
Splenius Cervicis action
Unilaterally: Rotate the head and neck to the same side Laterally flex the head and neck to the same side Bilaterally: Extend the head and neck
297
Splenius Cervicis origin
Spinous processes of T-3 to T-6
298
Splenius Cervicis insertion
Transverse processes of C-1 to C-3
299
Splenius Cervicis nerve innervation
Cervical
300
Quadratus Lumborum action
Unilaterally: Laterally tilt (elevate) the pelvis Laterally flex the vertebral column to the same side Bilaterally: Fix the last rib during forced inhalation and exhalation Assist to extend the vertebral column
301
Quadratus Lumborum origin
Posterior iliac crest
302
Quadratus Lumborum insertion
Last rib and transverse processes of first through fourth lumbar vertebrae
303
Quadratus Lumborum nerve innervation
Lumbar plexus T12, L1, 2, 3
304
Serratus Posterior Superior action
Elevate the ribs during inhalation
305
Serratus Posterior Superior origin
Spinous processes of C-7 to T-3
306
Serratus Posterior Superior insertion
Posterior surface of second through fifth ribs
307
Serratus Posterior Superior nerve innervation
T1, 2, 3, 4
308
Flexor Carpi Radialis action
Flex the wrist (radiocarpal joint) Abduct the wrist (radiocarpal joint) May assist to flex the elbow (humeroulnar joint)
309
Flexor Carpi Radialis origin
Common flexor tendon from medial epicondyle of humerus
310
Flexor Carpi Radialis insertion
Bases of second and third metacarpals
311
Flexor Carpi Radialis nerve innervation
Median C6, 7,8
312
Palmaris Longus action
Tense the palmar fascia Flex the wrist (radiocarpal joint) May assist to flex the elbow (humeroulnar joint)
313
Palmaris Longus origin
Common flexor tendon from medial epicondyle of humerus
314
Palmaris Longus insertion
Flexor retinaculum and palmar aponeurosis
315
Palmaris Longus nerve innervation
Median C(6), 7, 8, T1
316
Pectineus action
Adduct the hip (coxal joint) Medially rotate the hip (coxal joint) Assist to flex the hip (coxal joint)
317
Pectineus origin
Superior ramus of pubis
318
Pectineus insertion
Pectineal line of femur
319
Pectineus nerve innervation
Femoral and obturator L2, 3, 4
320
Palmar Interossei action
Adduct the thumb, second, fourth, and fifth fingers toward the third finger Assist to flex the thumb, second, fourth, and fifth fingers at the metacarpophalangeal joints Assist to extend the thumb, second, fourth, and fifth fingers at the interphalangeal joints
321
Palmar Interossei origin
Base of first, second, fourth, and fifth metacarpals
322
Palmar Interossei insertion
Base of the proximal phalanx of the related finger and the extensor aponeurosis
323
Palmar Interossei nerve innervation
Ulnar C8, T1
324
Flexor Digitorum Profundus action
Flex the second through fifth fingers (metacarpophalangeal and distal interphalangeal joints) Assist to flex the wrist (radiocarpal joint)
325
Flexor Digitorum Profundus origin
Anterior and medial surfaces of proximal three-quarters of ulna
326
Flexor Digitorum Profundus insertion
Bases of distal phalanges, palmar surface of second through fifth fingers
327
Flexor Digitorum Profundus nerve innervation
Second and third fingers: Median C7, 8, T1 Fourth and fifth fingers: Ulnar C7, 8, T1
328
Transverse Abdominis action
Compress abdominal contents
329
Transverse Abdominis origin
Lateral inguinal ligament, iliac crest, thoracolumbar fascia, and internal surface of lower six ribs
330
Transverse Abdominis insertion
Rectus sheath to linea alba
331
Transverse Abdominis nerve innervation
T7-12, L1, iliohypogastric and ilioinguinal, ventral divisions
332
Rectus Femoris action
Extend the knee (tibiofemoral joint) Flex the hip (coxal joint)
333
Rectus Femoris origin
Anterior inferior iliac spine (AllS)
334
Rectus Femoris insertion
Tibial tuberosity (via the patella and patellar ligament)
335
Rectus Femoris nerve innervation
Femoral L2, 3, 4
336
Vastus Medialis action
Extend the knee (tibiofemoral joint)
337
Vastus Medialis origin
Medial lip of linea aspera
338
Vastus Medialis insertion
Tibial tuberosity (via the patella and patellar ligament)
339
Vastus Medialis nerve innervation
Femoral L2, 3, 4
340
Vastus Lateralis action
Extend the knee (tibiofemoral joint)
341
Vastus Lateralis origin
Lateral lip of linea aspera, gluteal tuberosity, and greater trochanter
342
Vastus Lateralis insertion
Tibial tuberosity (via the patella and patellar ligament)
343
Vastus Lateralis nerve innervation
Femoral L2, 3, 4
344
Vastus Intermedius action
Extend the knee (tibiofemoral joint)
345
Vastus Intermedius origin
Anterior and lateral shaft of the femur
346
Vastus Intermedius insertion
Tibial tuberosity (via the patella and patellar ligament)
347
Vastus Intermedius nerve innervation
Femoral L2, 3, 4
348
Biceps Femoris action
Flex the knee (tibiofemoral joint) Laterally rotate the flexed knee (T/F joint) Long head: Extend the hip (coxal joint) Long head: Assist to laterally rotate the hip (coxal joint) Tilt the pelvis posteriorly
349
Biceps Femoris origin
Long head: Ischial tuberosity Short head: Lateral lip of linea aspera
350
Biceps Femoris insertion
Head of the fibula
351
Biceps Femoris nerve innervation
Long head: Sciatic (tibial branch) L5, S1, 2, 3 Short head: Sciatic (fibular branch) L5, S1, 2
352
Semitendinosus action
Flex the knee (tibiofemoral joint) Medially rotate the flexed knee (T/F joint) Extend the hip (coxal joint) Assist to medially rotate the hip (coxal joint) Tilt the pelvis posteriorly
353
Semitendinosus origin
Ischial tuberosity
354
Semitendinosus insertion
Proximal, medial shaft of the tibia at pes anserinus tendon
355
Semitendinosus nerve innervation
Sciatic (tibial branch) L4, 5, S1, 2
356
Semimembranosus action
Flex the knee (tibiofemoral joint) Medially rotate the flexed knee (T/F joint) Extend the hip (coxal joint) Assist to medially rotate the hip (coxal joint) Tilt the pelvis posteriorly
357
Semimembranosus origin
Ischial tuberosity
358
Semimembranosus insertion
Posterior aspect of medial condyle of tibia
359
Semimembranosus nerve innervation
Sciatic (tibial branch) L4, 5, S1, 2
360
Gluteus Maximus action
All fibers: Extend the hip (coxal joint) Laterally rotate the hip (coxal joint) Abduct the hip (coxal joint) Lower fibers: Adduct the hip (coxal joint)
361
Gluteus Maximus origin
Coccyx, edge of sacrum, posterior iliac crest, sacrotuberous and sacroiliac ligaments
362
Gluteus Maximus insertion
Iliotibial tract (upper fibers) and gluteal tuberosity (lower fibers)
363
Gluteus Maximus nerve innervation
Inferior gluteal L5, S1, 2
364
Gluteus Medius action
All fibers: Abduct the hip (coxal joint) Anterior fibers: Flex the hip (coxal joint) Medially rotate the hip (coxal joint) Posterior fibers: Extend the hip (coxal joint) Laterally rotate the hip (coxal joint)
365
Gluteus Medius origin
Gluteal surface of ilium, between posterior and anterior gluteal lines, just below the iliac crest
366
Gluteus Medius insertion
Lateral aspect of greater trochanter
367
Gluteus Medius nerve innervation
Superior gluteal L4, 5, S1
368
Gluteus Minimus action
Abduct the hip (coxal joint) Medially rotate the hip (coxal joint) Flex the hip (coxal joint)
369
Gluteus Minimus origin
Gluteal surface of the ilium between the anterior and inferior gluteal lines
370
Gluteus Minimus insertion
Anterior aspect of greater trochanter
371
Gluteus Minimus nerve innervation
Superior gluteal L4, 5, S1
372
Adductor Magnus action
Adduct the hip (coxal joint) Medially rotate the hip (coxal joint) Assist to flex the hip (coxal joint) Posterior fibers: Extend the hip (coxal joint)
373
Adductor Magnus origin
Inferior ramus of the pubis, ramus of ischium, and ischial tuberosity
374
Adductor Magnus insertion
Medial lip of linea aspera and adductor tubercle
375
Adductor Magnus nerve innervation
Obturator L2, 3, 4 and sciatic L4, 5, S1
376
Adductor Longus action
Adduct the hip (coxal joint) Medially rotate the hip (coxal joint) Assist to flex the hip (coxal joint)
377
Adductor Longus origin
Pubic tubercle
378
Adductor Longus insertion
Medial lip of linea aspera
379
Adductor Longus nerve innervation
Obturator L2, 3, 4
380
Adductor Brevis action
Adduct the hip (coxal joint) Medially rotate the hip (coxal joint) Assist to flex the hip (coxal joint)
381
Adductor Brevis origin
Inferior ramus of pubis
382
Adductor Brevis insertion
Pectineal line and medial lip of linea aspera
383
Adductor Brevis nerve innervation
Obturator L2, 3, 4
384
Gracilis action
Adduct the hip (coxal joint) Medially rotate the hip (coxal joint) Flex the knee (tibiofemoral joint) Medially rotate the flexed knee (T/F joint)
385
Gracilis insertion
Proximal, medial shaft of tibia at pes anserinus tendon
386
Gracilis origin
Inferior ramus of pubis
387
Gracilis nerve innervation
Obturator L2, 3, 4
388
Tensor Fasciae Latae action
Flex the hip (coxal joint) Medially rotate the hip (coxal joint) Abduct the hip (coxal joint)
389
Tensor Fasciae Latae origin
Iliac crest, posterior to the ASIS
390
Tensor Fasciae Latae insertion
Iliotibial tract
391
Tensor Fasciae Latae nerve innervation
Superior gluteal L4, 5, S1
392
Sartorius action
Flex the hip (coxal joint) Laterally rotate the hip (coxal joint) Abduct the hip (coxal joint) Flex the knee (tibiofemoral joint) Medially rotate the flexed knee (T/F joint)
393
Sartorius origin
Anterior superior iliac spine (ASIS)
394
Sartorius insertion
Proximal, medial shaft of the tibia at pes anserinus tendon
395
Sartorius nerve innervation
Femoral L2, 3, (4)
396
Piriformis action
Laterally rotate the hip (coxal joint) Abduct the hip when the hip is flexed
397
Piriformis origin
Anterior surface of sacrum
398
Piriformis insertion
Superior aspect of greater trochanter
399
Piriformis nerve innervation
Sacral plexus L(5), S1, 2
400
Quadratus Femoris action
Laterally rotate the hip (coxal joint)
401
Quadratus Femoris origin
Lateral border of ischial tuberosity
402
Quadratus Femoris insertion
Intertrochanteric crest, between the greater and lesser trochanters
403
Quadratus Femoris nerve innervation
Sacral plexus L4, 5, S1, (2)
404
Obturator Externus action
Laterally rotate the hip (coxal joint)
405
Obturator Externus origin
Rami of pubis and ischium, obturator membrane
406
Obturator Externus insertion
Trochanteric fossa of femur
407
Obturator Externus nerve innervation
Obturator L3, 4
408
Obturator Internus action
Laterally rotate the hip (coxal joint)
409
Obturator Internus origin
Obturator membrane and inferior surface of obturator foramen
410
Obturator Internus insertion
Medial surface of greater trochanter
411
Obturator Internus nerve innervation
Sacral plexus L5, S1, 2
412
Psoas Major action
With the origin fixed: Flex the hip (coxal joint) May laterally rotate the hip (coxal joint) With the insertion fixed: Flex the trunk toward the thigh Tilt pelvis anteriorly Unilaterally: Assist to laterally flex the lumbar spine
413
Psoas Major origin
Bodies and transverse processes of lumbar vertebrae
414
Psoas Major insertion
Lesser trochanter
415
Psoas Major nerve innervation
Lumbar plexus L1, 2, 3, 4
416
Iliacus action
With the origin fixed: Flex the hip (coxal joint) May laterally rotate the hip (coxal joint) With the insertion fixed: Flex the trunk toward the thigh Tilt pelvis anteriorly
417
Iliacus origin
Iliac fossa
418
Iliacus insertion
Lesser trochanter
419
Iliacus nerve innervation
Femoral L(1), 2, 3, 4
420
Psoas Minor action
Assist to create lordotic curvature in the lumbar spine Tilt pelvis posteriorly
421
Psoas Minor origin
Body and transverse process of first lumbar vertebra
422
Psoas Minor insertion
Superior ramus of pubis
423
Psoas Minor nerve innervation
Lumbar plexus L1, 2
424
Gastrocnemius action
Flex the knee (tibiofemoral joint) Plantar flex the ankle (talocrural joint)
425
Gastrocnemius origin
Condyles of the femur, posterior surfaces
426
Gastrocnemius insertion
Calcaneus via calcaneal tendon
427
Gastrocnemius nerve innervation
Tibial S1, 2
428
Soleus action
Plantar flex the ankle (talocrural joint)
429
Soleus origin
Soleal line; proximal, posterior surface of tibia; and posterior aspect of head of fibula
430
Soleus insertion
Calcaneus via calcaneal tendon
431
Soleus nerve innervation
Tibial L5, S1, 2
432
Plantaris action
Weak plantar flexion of the ankle (talocrural joint) Weak flexion of the knee (tibiofemoral joint)
433
Plantaris origin
Lateral supracondylar line of femur
434
Plantaris insertion
Calcaneus via calcaneal tendon
435
Plantaris nerve innervation
Tibial L4, 5, S1, (2)
436
Popliteus action
Medially rotate the flexed knee (tibiofemoral joint) Flex the knee (T/F joint)
437
Popliteus origin
Lateral condyle of the femur
438
Popliteus nerve innervation
Tibial L4, 5, S1
439
Popliteus insertion
Proximal, posterior aspect of tibia
440
Fibularis Longus action
Evert the foot Assist to plantar flex the ankle (talocrural joint)
441
Fibularis Longus origin
Head of fibula and proximal two-thirds of lateral fibula
442
Fibularis Longus insertion
Base of the first metatarsal and medial cuneiform
443
Fibularis Longus nerve innervation
Superficial fibular L4, 5, S1
444
Fibularis Brevis action
Evert the foot Assist to plantar flex the ankle (talocrural joint)
445
Fibularis Brevis origin
Distal two-thirds of lateral fibula
446
Fibularis Brevis insertion
Tuberosity of fifth metatarsal
447
Fibularis Brevis nerve innervation
Superficial fibular L4,5, S1
448
Tibialis Anterior action
Invert the foot Dorsiflex the ankle (talocrural joint)
449
Tibialis Anterior origin
Lateral condyle of tibia; proximal, lateral surface of tibia; and interosseous membrane
450
Tibialis Anterior insertion
Medial cuneiform and base of the first metatarsal
451
Tibialis Anterior nerve innervation
Deep fibular L4, 5, S1
452
Extensor Digitorum Longus action
Extend the second through fifth toes (metatarsophalangeal and interphalangeal joints) Dorsiflex the ankle (talocrural joint) Evert the foot
453
Extensor Digitorum Longus origin
Lateral condyle of tibia; proximal, anterior shaft of fibula; and interosseous membrane
454
Extensor Digitorum Longus insertion
Middle and distal phalanges of second through fifth toes
455
Extensor Digitorum Longus nerve innervation
Deep fibular L4, 5, $1
456
Extensor Hallucis Longus action
Extend the first toe (metatarsophalangeal and interphalangeal joints) Dorsiflex the ankle (talocrural joint) Invert the foot
457
Extensor Hallucis Longus origin
Middle, anterior surface of fibula and interosseous membrane
458
Extensor Hallucis Longus insertion
Distal phalanx of first toe
459
Extensor Hallucis Longus nerve innervation
Deep fibular L4, 5, 51
460
Tibialis Posterior action
Invert the foot Plantar flex the ankle (talocrural joint)
461
Tibialis Posterior origin
Proximal, posterior shafts of tibia and fibula; and interosseous membrane
462
Tibialis Posterior insertion
All five tarsal bones and bases of second through fourth metatarsals
463
Tibialis Posterior nerve innervation
Tibial L(4), 5, S1
464
Flexor Digitorum Longus action
Flex the second through fifth toes (metatarsophalangeal and interphalangeal joints) Weak plantar flexion of ankle (talocrural joint) Invert the foot
465
Flexor Digitorum Longus origin
Middle, posterior surface of tibia
466
Flexor Digitorum Longus insertion
Distal phalanges of second through fifth toes
467
Flexor Digitorum Longus nerve innervation
Tibial L5, S1, (2)
468
Flexor Hallucis Longus action
Flex the first toe (metatarsophalangeal and interphalangeal joints) Weak plantar flexion of ankle (talocrural joint) Invert the foot
469
Flexor Hallucis Longus origin
Middle half of posterior fibula
470
Flexor Hallucis Longus insertion
Distal phalanx of first toe
471
Flexor Hallucis Longus nerve innervation
Tibial L5, S1, 2
472
Extensor Digitorum Brevis action
Extend the second through fourth toes (metatarsophalangeal and interphalangeal joints)
473
Extensor Digitorum Brevis origin
Dorsal surface of calcaneus
474
Extensor Digitorum Brevis insertion
Second through fourth toes via the extensor digitorum longus tendons
475
Extensor Digitorum Brevis nerve innervation
Deep fibular L4, 5, S1
476
Flexor Digitorum Brevis action
Flex middle phalanges of the second through fifth toes (proximal interphalangeal joints)
477
Flexor Digitorum Brevis origin
Medial process of calcaneus and plantar aponeurosis
478
Flexor Digitorum Brevis insertion
Middle phalanges of second through fifth toes
479
Flexor Digitorum Brevis nerve innervation
Tibial L4, 5, S1
480
Abductor Hallucis action
Abduct the first toe (metatarsophalangeal joint) Assist to flex the first toe (metatarsophalangeal joint)
481
Abductor Hallucis origin
Medial process of calcaneus and plantar aponeurosis
482
Abductor Hallucis insertion
Proximal phalanx of first toe (medial surface) and medial sesamoid bone
483
Abductor Hallucis nerve innervation
Tibial L4, 5, S1
484
Abductor Digiti Minimi action
Flex the fifth toe Assist to abduct the fifth toe (metatarsophalangeal joint)
485
Abductor Digiti Minimi origin
Lateral process of calcaneus and plantar aponeurosis
486
Abductor Digiti Minimi insertion
Proximal phalanx of fifth toe (lateral surface)
487
Abductor Digiti Minimi nerve innervation
Tibial S1, 2
488
Extensor Hallucis Brevis action
Extend the first toe (metatarsophalangeal joint)
489
Extensor Hallucis Brevis origin
Dorsal surface of calcaneus
490
Extensor Hallucis Brevis insertion
Proximal phalanx of first toe
491
Extensor Hallucis Brevis nerve innervation
Deep fibular L4, 5, S1
492
Flexor Hallucis Brevis action
Flex the first toe (metatarsophalangeal joint)
493
Flexor Hallucis Brevis origin
Plantar surfaces of cuboid and lateral cuneiform
494
Flexor Hallucis Brevis insertion
Medial and lateral surfaces of base of proximal phalanx of first toe
495
Flexor Hallucis Brevis nerve innervation
Tibial L4, 5, S1
496
Adductor Hallucis action
Adduct the first toe Assist to maintain transverse arch of foot Assist to flex the first toe
497
Adductor Hallucis origin
Oblique head: Bases of second through fourth metatarsals Transverse head: Plantar ligament of third through fifth metatarsophalangeal joints
498
Adductor Hallucis insertion
Lateral surface of base of proximal phalanx of first toe
499
Adductor Hallucis nerve innervation
Tibial S1, 2
500
Flexor Digiti Minimi Brevis action
Flex the fifth toe (metatarsophalangeal joint)
501
Flexor Digiti Minimi Brevis origin
Base of fifth metatarsal
502
Flexor Digiti Minimi Brevis insertion
Base of proximal phalanx of fifth toe
503
Flexor Digiti Minimi Brevis nerve innervation
Tibial S1, 2
504
Quadratus Plantae action
Assist flexor digitorum longus to flex 2nd-5th toes
505
Quadratus Plantae origin
Medial and lateral sides of plantar surface of calcaneus
506
Quadratus Plantae insertion
Posterior, lateral aspect of flexor digitorum longus tendon
507
Quadratus Plantae nerve innervation
Tibial S1, 2
508
Plantar Interossei action
Adduct 3rd-5th toes (metatarsophalangeal joints) Flex 3rd-5th toes (metatarsophalangeal joints)
509
Plantar Interossei origin
Medial surfaces of 3rd-5th metatarsals
510
Plantar Interossei insertion
Medial surfaces of proximal phalanges of 3rd-5th toes
511
Plantar Interossei nerve innervation
Tibial S1, 2
512
Dorsal Interossei action
Abduct 2nd-4th toes (metatarsophalangeal joints) Flex 2nd-4th toes (metatarsophalangeal joints)
513
Dorsal Interossei origin
Adjacent surfaces of all metatarsals
514
Dorsal Interossei insertion
First: Medial surface of proximal phalanx of 2nd toe Second through fourth: Lateral surfaces of proximal phalanges of 2nd-4th toes
515
Dorsal Interossei nerve innervation
Tibial S1, 2
516
Lumbricals of the Foot action
Flex the proximal phalanges of the 2nd-5th toes at the metatarsophalangeal joints Extend the middle and distal phalanges of the 2nd-5th toes at the interphalangeal joints
517
Lumbricals of the Foot origin
Tendons of flexor digitorum longus
518
Lumbricals of the Foot insertion
Bases of proximal phalanges of 2nd-5th toes and extensor digitorum longus tendons (on dorsal surface of the toes)
519
Lumbricals of the Foot nerve innervation
First: Tibial L4,5, S1 Second through fourth: Tibial L(4), (5), S1, 2
520
Pyramidalis action
Tenses the linea alba
521
Pyramidalis origin
Pubic symphysis
522
Pyramidalis insertion
Linea alba
523
Pyramidalis nerve innervation
Twelfth thoracic nerve
524
Intertransversarii action
Unilaterally: Laterally flex the vertebral column to the same side Bilaterally: Extend the vertebral column
525
Intertransversarii origin and insertion
Cervical: Spanning the transverse processes of vertebrae C-2 to C-7 Lumbar: Spanning the transverse processes of vertebrae L-1 to L-5
526
Intertransversarii nerve innervation
Spinal
527
Gemellus Superior action
Laterally rotate the hip (coxal joint)
528
Gemellus Superior origin
Ischial spine
529
Gemellus Superior insertion
Medial surface of greater trochanter
530
Gemellus Superior nerve innervation
Sacral plexus L5, S1, 2
531
Gemellus Inferior action
Laterally rotate the hip (coxal joint)
532
Gemellus Inferior origin
Ischial tuberosity
533
Gemellus Inferior nerve innervation
Sacral plexus L4, 5, S1, (2)
534
Gemellus Inferior insertion
Medial surface of greater trochanter
535
Oblique Capitis Inferior action
Rotate the head to the same side Laterally flex the head to the same side
536
Oblique Capitis Inferior origin
Spinous process of the axis (C-2)
537
Oblique Capitis Inferior insertion
Transverse process of the atlas (C-1)
538
Oblique Capitis Inferior nerve innervation
Suboccipital
539
Oblique Capitis Superior action
Rock and tilt the head back into extension Laterally flex the head to the same side
540
Oblique Capitis Superior origin
Transverse process of the atlas (C-1)
541
Oblique Capitis Superior insertion
Between the nuchal lines of the occiput
542
Oblique Capitis Superior nerve innervation
Suboccipital
543
Rectus Capitis Posterior Minor action
Rock and tilt the head back into extension
544
Rectus Capitis Posterior Minor origin
Tubercle of the posterior arch of the atlas (C-1)
545
Rectus Capitis Posterior Minor insertion
Inferior nuchal line of the occiput
546
Rectus Capitis Posterior Minor nerve innervation
Suboccipital
547
Rectus Capitis Posterior Major action
Rock and tilt the head back into extension Rotate the head to the same side
548
Rectus Capitis Posterior Major origin
Spinous process of the axis (C-2)
549
Rectus Capitis Posterior Major insertion
Inferior nuchal line of the occiput
550
Rectus Capitis Posterior Major nerve innervation
Suboccipital