PRACTICAL 2: MUSCLES OIA'S Flashcards
(273 cards)
1
Q
origin of masseter
A
zygomatic arch
2
Q
insertion of masseter
A
mandibular angle of mandible, mandibular ramus of mandible
3
Q
action of masseter
A
elevates masseter
4
Q
origin of temporalis
A
temporal fossa of temporal bone
5
Q
insertion of temporalis
A
coronoid process of mandible
6
Q
action of temporalis
A
elevates mandible, and retracts mandible
7
Q
origin of sternocleidomastoid
A
manubrium, medial clavicle
8
Q
insertion of sterocleidomastoid
A
mastoid process of the temporal bone
9
Q
action of sterocleidomastoid
A
flexes and rotates the head
10
Q
origin of scalenes
(anterior,middle,posterior)
A
transverse processes of the cervical vertebrae
11
Q
insertion of scalenes
(anterior,middle,posterior)
A
anterior surface of ribs 1 and 2
12
Q
action of scalenes
(anterior,middle,posterior)
A
elevates ribs 1 and 2, flexes neck, rotates neck
13
Q
origin of pectoralis major
A
sternal end of the clavicle, sternum, ribs 1-6
14
Q
insertion of pectoralis major
A
greater tubercle of the humerus
15
Q
action of pectoralis major
A
flexes humerus at shoulder, rotates humerus medially, adducts humerus
16
Q
origin of pectoralis minor
A
ribs 3-5
17
Q
insertion of pectoralis minor
A
coracoid process of the scapula
18
Q
action of pectoralis minor
A
depresses scapula, rotates scapula downwards
19
Q
origin of serratus anterior
A
ribs 1-8
20
Q
insertion of serratus anterior
A
vertebral border of the scapula
21
Q
action of serratus anterior
A
rotates scapula upwards, protracts scapula
22
Q
origin of external intercostals
A
inferior border of ribs
23
Q
insertion of external intercostals
A
superior border of ribs
24
Q
action of external intercostals
A
elevates rib cage
25
origin of internal intercostals
superior border of ribs
26
insertion of internal intercostals
inferior border of ribs
27
action of internal intercostals
depresses rib cage
28
origin of external oblique
ribs 5-12
29
insertion of external oblique
linea alba, pubic crest of the pubis, pubic tubercle of the pubis, iliac crest of the ilium
30
action of external oblique
flexes and rotates vertebral column, compresses abdomen
31
origin of internal oblique
lumbar fascia, iliac crest of the ilium, inguinal ligament
32
insertion of internal oblique
linea alba, pubic crest of the pubis, ribs 9-12
33
action of internal oblique
flexes and rotates vertebral column, compresses abdomen
34
origin of rectus abdominis
pubic crest of the pubis, pubic symphysis
35
insertion of rectus abdominins
xiphoid process of sternum, ribs 5-7
36
action of rectus abdominis
flexes and rotates vertebral column, compresses abdomen
37
origin of iliacus
iliac fossa of ilium, ala of the sacrum
38
insertion of iliacus
lesser trochanter of the femur
39
action of iliacus
flexes thigh at hip, flexes trunk
40
origin of psoas major
transverse process of T12-L5
41
insertion of psoas major
lesser trochanter of the femur
42
action of psoas major
flexes thigh at hip, flexes trunk laterally
43
origin of deltoid
lateral 1/3 of clavicle, spine of scapula, acromion process of the scapula
44
insertion of deltoid
deltoid tuberosity of the humerus
45
action of deltoid
flexes forearm at elbow, stabilizes elbow during flexion and extension
46
origin of biceps brachii; long head
supraglenoid tubercle of the scapula
47
insertion of biceps brachii; long head
radial tuberosity of radius
48
action of biceps brachii; long head
flexes forearm at elbow, supinates forearm
49
origin of biceps brachii; short head
coracoid process of the scapula
50
insertion of biceps brachii; short head
radial tuberosity of the radius
51
action of biceps brachii; short head
flexes forearm at elbow, supinates forearm
52
origin of brachialis
anterior humerus
53
insertion of brachialis
coronoid process of the ulna
54
action of brachilalis
flexes forearm at elbow
55
origin of coracobrachialis
coracoid process of the scapula
56
insertion of coracobrachialis
medial surface of shaft of humerus
57
action of coracobrachialis
flexes humerus at shoulder, adducts humerus
58
origin of brachioradialis
lateral supracondylar ridge of the humerus
59
insertion of brachioradialis
styloid process of the radius
60
action of brachioradialis
flexes forearm at elbow, stabilizes elbow during flexion and extension
61
origin of extensor carpi radialis longus
lateral supracondylar ridge of the humerus
62
insertion of extensor carpi radialis longus
2nd metacarpal
63
action of extensor carpi radialis longus
extends hand at wrist, abducts hand
64
origin of extensor carpi radialis brevis
lateral epicondyle of the humerus
65
insertion of extensor carpi radialis brevis
3rd metacarpal
66
action of extensor carpi radialis brevis
extends hand at wrist, abducts hand
67
origin of extensor digitorum
lateral epicondyle of the humerus
68
insertion of extensor digitorum
distal phalanges of 2nd to 5th digit
69
action of extensor digitorum
extends distal interphalangeal joints, extends hand at wrist
70
origin of extensor carpi unlaris
lateral epicondyle of the humerus, posterior ulna
71
insertion of extensor carpi unlaris
5th metacarpal
72
action of extensor carpi unlaris
extends hand at wrist, adducts hand
73
origin of supinator
lateral epicondyle of the humerus, proximal ulna
74
insertion of supinator
proximal end of radius
75
action of supinator
supinates forearm
76
origin of abductor pollicis longus
posterior radius, posterior ulna, interosseous membrane
77
insertion of abductor pollicis longus
trapezium, 1st metacarpal
78
action of abductor pollicis longus
abducts pollex
79
origin of extensor pollicis brevis
posterior radius, posterior ulna, interosseous membrane
80
insertion of extensor pollicis brevis
proximal phalanx of pollex
81
action of extensor pollicis brevis
extends 1st metacarpal-phalangeal joint
82
origin of extensor pollicis longus
posterior radius, posterior ulna, interosseous membrane
83
insertion of extensor pollicis longus
distal phalanx pollex
84
action of extensor pollicis longus
extends 1st interphalangeal joint
85
origin of extensor indicis
posterior ulna, interosseous membrane
86
insertion of extensor indicis
distal phalanx of 2nd digit
87
action of extensor indicis
extends 2nd distal interphalangeal joint
88
origin of extensor digiti minimi
lateral epicondyle of the humerus
89
insertion of extensor digiti minimi
distal phalanx of 5th digit
90
action of extensor digti minimi
extends 5th distal interphalangeal joint
91
origin of sartorius
anterior superior iliac spine of ilium
92
insertion of sartorius
medial surface of proximal tibia
93
action sartorius
flexes thigh at hip, rotates thigh laterally, abducts thigh, flexes leg at knee
94
origin of tensor fascia(e) latae
anterior superior iliac spine of the ilium, iliac crest of the ilium
95
insertion of tensor fascia(e) latae
iliotibial tract
96
action of tensor fascia(e) latae
flexes thigh at hip, abducts thigh, rotates thigh medially
97
origin of iliopsoas
iliac fossa f the ilium, ala of the sacrum, transverse processes of T12-L5
98
insertion of ilipsoas
lesser trochanter of the femur
99
action of ilipsoas
flexes thigh at hip, flexes vertebral column
100
origin of pectineus
superior ramus of the pubis
101
insertion of pectineus
linea aspera of the femur
102
action of pectineus
adducts thigh, flexes thigh at hip, rotates thigh medially
103
origin of quadriceps femoris; rectus femoris
anterior inferior iliac spine of the ilium
104
insertion of quadriceps femoris; rectus femoris, vastus lateralis, vastus medialis, vastus intermedius
patella and tibial tuberosity via tendon of quadriceps femoris and patellar ligament
105
action of quadriceps femoris; rectus femoris
extends leg at knee, flexes thigh at hip
106
origin of quadriceps femoris; vastus lateralis
greater trochanter, intertrochanteric line, and linea aspera of the femur
107
action of quadriceps femoris; vastus lateralis
extends leg at knee, stabilizes knee
108
origin of quadriceps femoris; vastus medialis
linea aspera, and intertrochanteric line of the femur
109
action of quadriceps femoris; vastus medialis
extends leg at knee, stabilizes patella
110
origin of quadriceps femoris; vastus intermedius
proximal shaft of the femur
111
action of quadriceps femoris, vastus intermedius
extends leg at knee
112
origin of gracilis
inferior ramus of the pubis, body of the pubis
113
insertion of gracilis
medial surface of the tibia
114
action of gracilis
adducts thigh, flexes leg at knee, rotates leg medially
115
origin of adductor longus
pubis- near pubic symphysis
116
insertion of adductor longus
linea aspera of the femur
117
action of adductor longus
adducts thigh, flexes thigh at hip, rotates thigh medially
118
origin of adductor brevis
body of pubis, inferior ramus of the pubis
119
insertion of adductor brevis
linea aspera of the femur
120
action of adductor brevis
adducts thigh, rotates thigh medially
121
origin of adductor magnus
inferior ramus of the pubis, ischial ramus, and ischial tuberosity of the ischium
122
insertion of adductor magnus
linea aspera and adductor tubercle of the femur
123
action of adductor magnus
adducts thigh, rotates thigh medially, flexes thigh at hip
124
origin of tibialis anterior
lateral condyle of the tibia, interosseous membrane
125
insertion of tibialis anterior
medial cuneiform, 1st metatarsal
126
action of tibialis anterior
dorsiflexes foot at ankle, inverts foot
127
origin of extensor hallucis longus
proximal shaft of the fibula, interosseous membrane
128
insertion of extensor hallucis longus
distal phalanx of the hallux
129
action of extensor hallucis longus
dorsiflexes foot at ankle, extends hallux
130
origin of extensor digitorum longus
lateral condyle of the tibia, proximal fibula, interosseous membrane
131
insertion of extensor digitorum longus
middle and distal phalanges of 2nd-5th digits
132
action of extensor digitorum longus
extends 2nd-5th distal interphalangeal joints
133
origin of fibularis (peroneus) tertius
distal shaft of fibula, interosseous membrane
134
insertion of fibularis (peroneus) tertius
5th metatarsal
135
action of fibularis (peroneus) tertius
dorsiflexes foot at ankle, everts foot
136
origin of fibularis (peroneus) longus
head of fibula
137
insertion of fibularis (peroneus) longus
medial cuneiform, 1st metatarsal
138
action of fibularis (peroneus) longus
plantar flexes foot at ankle, everts foot
139
origin of fibularis (peroneus) brevis
distal shaft of fibula
140
insertion of fibularis (peroneus) brevis
5th metatarsal
141
action of fibularis (peroneus) brevis
plantar flexes foot at ankle, everts foot
142
origin of trapezius
occipital bone, spinous processes of C7-T12
143
insertion of trapezius
later 1/3 of clavicle, spine of scapula acromion process of the scapula
144
action of trapezius
elevates scapula, depresses scapula, rotates scapula, adducts scapula
145
origin of latissimus dorsi
spinous processes of T7-T12, ribs 9-12, iliac crest of the ilium
146
insertion of latissimus dorsi
intertubercular groove (sulcus) of the humerus
147
action of latissimus dorsi
extends humerus at shoulder, adducts humerus, rotates humerus medially
148
origin of levator scapula(e)
transverse processes of C1-C4
149
insertion of levator scapula(e)
vertebral border of the scapula
150
action of levator scapula(e)
elevates scapula, downwardly rotates scapula
151
origin of rhomboid major
spinous processes of T2-T5
152
insertion of rhomboid major
vertebral border of the scapula
153
action of rhomboid major
adducts scapula, downwardly rotates scapula
154
origin of rhomboid minor
spinous processes of C7-T1
155
insertion of rhomboid minor
vertebral border of the scapula
156
action of rhomboid minor
adducts scapula, downwardly rotates scapula
157
origin of supraspinatus
supraspinous fossa of the scapula
158
insertion of supraspinatus
greater tubercle of the humerus
159
action of supraspinatus
abducts humerus
160
origin of infraspinatus
infraspinous fossa of the sacpula
161
insertion of infraspinatus
greater tubercle of the humerus
162
action of infraspinatus
rotates humerus laterally
163
origin of teres major
inferior angle of the scapula
164
insertion of teres major
lesser tubercle of the humerus
165
action of teres major
adducts humerus, extends humerus at shoulder, rotates humerus medially
166
origin of teres minor
lateral border of the scapula
167
insertion of teres minor
greater tubercle of the humerus
168
action of teres minor
rotates humeral laterally
169
origin of subscapularis
subscapular fossa of the scapula
170
insertion of subscapularis
lesser tubercle of the humerus
171
action of subscapularis
rotates humerus medially
172
origin of splenius capitis
spinous processes of C6-T7
173
insertion of splenius capitis
mastoid process of the temporal bone, occipital bone
174
action of splenius capitis
extends vertebral column
175
origin of semispinalis capitis
transverse processes of C7-T7
176
insertion of semispinalis capitis
occipital bone
177
action of semispinalis capitis
extends vertebral column
178
origin of iliocostalis (erector spinae)
iliac crest of ilium, ribs 3-12
179
insertion of iliocostalis (erector spinae)
inferior border of ribs, transverse processes of C4-C6
180
action of iliocostalis (erector spinae)
extends vertebral column
181
origin of longissimus (erector spinae)
transverse processes of C4-L5
182
insertion of longissimus (erector spinae)
mastoid process of the temporal bone
183
action of longissimus (erector spinae)
extends vertebral column
184
origin of spinalis (erector spinae)
spinous processes of T7-L3
185
insertion of spinalis (erector spinae)
spinous processes of C4-T6
186
action of spinalis (erector spinae)
extends vertebral column
187
origin of triceps brachii; long head
infraglenoid tubercle of the scapula
188
insertion of triceps brachii; long head
olecranon process of the ulna
189
action of triceps brachii; long head
extends forearm at elbow
190
origin of triceps brachii; lateral head
posterior surface of shaft of humerus
191
insertion of triceps brachii; lateral head
olecranon process of the ulna
192
action of triceps brachii; lateral head
extends forearm at elbow
193
origin of triceps brachii; medial head
posteriors surface of shaft of humerus
194
insertion of triceps brachii; medial head
olecranon process of the ulna
195
action of triceps brachii; medial head
extends forearm at elbow
196
origin of flexor carpi radialis
medial epicondyle of the humerus
197
insertion of flexor carpi radialis
2nd and 3rd metacarpals
198
actions of flexor carpi radialis
flexes hand at wrist, abducts hand
199
origin of palmaris longus
medial epicondyle of the humerus
200
insertion of palmaris longus
palmar aponeurosis
201
action of palmaris longus
flexes hand at wrist
202
origin of flexor capri ulnaris
medical epicondyle of the humerus, olecranon process of the ula, shaft of the ulna
203
insertion of flexor carpi ulnaris
pisiform, hamate, 5th metacarpal
204
action of flexor carpi ulnaris
flexes hand at wrist, adducts hand
205
origin of flexor digitorum superficialis
medial epicondyle of the humerus, coronoid process of ulna, shaft of radius
206
insertion of flexor digitorum superficialis
middle phalanges of 2nd to 5th digit
207
action of flexor digitorum superficialis
flexes hand at wrist, flexes proximal interphalangeal joints
208
origin of flexor digitorum profundus
ulna and interosseus membrane
209
insertion of flexor digitorum profundus
distal phalanges of 2nd to 5th digit
210
action of flexor digitorum profundus
flexes distal interphalangeal joints
211
origin of flexor pollicis longus
anterior radius and interosseous membrane
212
insertion of flexor pollicis longus
distal phalanx of pollex
213
action of flexor pollicis longus
flexes 1st interphalangeal joint
214
origin of pronator quadratus
distal and anterior ulna
215
insertion of pronator quadratus
distal and anterior radius
216
action of pronator quadratus
pronates forearm
217
origin of pronator teres
medial epicondyle of the humerus
218
insertion of pronator teres
lateral radius
219
action of pronator teres
pronates forearm
220
origin of abductor pollicis brevis
scaphoid, trapezium, flexor retinaculum
221
insertion of abductor pollicis brevis
proximal phalanx of pollex
222
action of abductor pollicis brevis
abducts pollex
223
origin of opponens pollicis
trapezium, flexor retinaculum
224
insertion of opponens pollicis
1st metacarpal
225
action of opponens pollicis
opposition
226
origin of flexor pollicis brevis
trapezium, flexor retinaculum
227
insertion of flexor pollicis brevis
proximal phalanx of pollex
228
action of flexor pollicis brevis
flexes pollex
229
origin of adductor pollicis
capitate, bases of 2nd-4th metacarpals
230
insertion of adductor pollicis
proximal phalanx of pollex
231
action of adductor pollicis
adducts pollex, opposition
232
origin of gluteus maximus
posterior surface of ala of ilium, sacrum, coccyx
233
insertion of gluteus maximus
iliotibial tract, gluteal tuberosity of the femur
234
action of gluteus maximus
extends thigh at hip, rotates thigh laterally, abducts thigh
235
origin of gluteus medius
lateral surface of the ilium
236
insertion of gluteus medius
greater trochanter of the femur
237
action of gluteus medius
abducts thigh, rotates thigh medially
238
origin of gluteus minimis
lateral surface of the ilium
239
insertion of gluteus minimis
greater trochanter of femur
240
action of gluteus minimis
abducts thigh, rotates thigh medially
241
origin of piriformis
lateral surface of the sacrum
242
insertion of piriformis
greater trochanter of the femur
243
action of the piriformis
rotates thigh laterally when thigh is extended
244
origin of quadratus femoris
ischial tuberosity of the ischium
245
insertion of quadratus femoris
intertrochanter crest of the femur
246
action of quadratus femoris
rotates thigh laterally
247
origin of biceps femoris; long head
ischial tuberosity of the ischium, linea aspera of the femur
248
insertion of biceps femoris; long head
head of the fibula, lateral condyle of the tibia
249
action of biceps femoris; long head
extends thigh at hip, flexes leg at knee, rotates leg laterally
250
origin of biceps femoris; short head
linea aspera of the femur
251
insertion of biceps femoris; short head
head of fibula, lateral condyle of the tibia
252
action of biceps femoris; short head
flexes leg at knee, rotates leg laterally
253
origin of semtendinosus
ischial tuberosity of ischium
254
insertion of semtendinosus
medial surface of proximal shaft of tibia
255
action of semtendinosus
extends thigh at hip, flexes leg at knee, rotates leg medially
256
origin of semimembranosus
ischial tuberosity of the ischium
257
insertion of semembranosus
medial condyle of the tibia
258
action of semembranosus
extends thigh at hip, flexes leg at knee, rotates leg medially
259
origin of gastrocenemius
lateral condyle of the femur, medial condyle of the femur
260
insertion of gastrocenemius
calcaneus
261
action of gastrocenemius
plantar flexes at ankle
262
origin of soleus
proximal tibia, proximal fibula, interosseous membrane
263
insertion of soleus
calcaneus
264
action of soleus
plantar flexes foot at ankle
265
origin of tibialis posterior
proximal tibia, proximal fibula, interosseous membrane
266
insertion of tibialis posterior
navicular bone, 2nd-4th metarsal
267
action of tibialis posterior
plantar flexes foot at ankle, inverts foot
268
origin of flexor digitorum longus
posterior shaft of tibia
269
insertion of flexor digitorum longus
distal phalanges of 2nd-5th digits
270
action of flexor digitorum longus
plantar flexes foot at ankle, inverts foot, flexes 2nd-5th distal interphalangeal joints
271
origin of flexor hallucis longus
middle shaft of the fibula, interosseous membrane
272
insertion of flexor hallucis longus
distal phalanx of pollex
273
action of flexor hallucis longus
plantar flexes foot at ankle, inverts foot, flexes hallux
