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Musculoskeletal Anatomy (Class 12) > Musculoskeletal Anatomy > Flashcards

Musculoskeletal Anatomy Flashcards

This deck is for the busy students in Musculoskeletal Anatomy class who don't have the time to make their own. (177 cards)

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1
Q

Trapezius (Origin)

A

Upper: External occipital protuberance
Ligamentum nuchae
Middle: C7-T3 spinous processes
Lower: T4-T12 spinous processes

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2
Q

Trapezius (Insertion)

A

Upper: Lateral third of clavicle
Acromion of scapula
Middle: Spine of scapula
Lower: Root of spine of scapula

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3
Q

Trapezius (Action)

A 
Upper: Elveation
Lateral (upward) rotation of scapula
Middle: Adduction (retraction) of scapula 
Lower: Depression 
Lateral (upward) rotation of scapula
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4
Q

Levator Scapula (Origin)

A

C1-4 (transverse processes)

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5
Q

Levator Scapula (Insertion)

A

Vertebral border of scapula from superior angle of root to root of spine

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6
Q

Levator Scapula (Action)

A 
Elevation
Medial (downward) rotation of scapula
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7
Q

Rhomboid Minor (Origin)

A

C7 and T1 (spinous processes)

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8
Q

Rhomboid Minor (Insertion)

A

Root of spine of scapula

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9
Q

Rhomboid Minor (Action)

A

Adduction (retraction)

Medial (downward) rotation of scapula

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10
Q

Rhomboid Major (Origin)

A

T2-T5 (spinous processes)

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11
Q

Rhomboid Major (Insertion)

A

Vertebral border of scapula from root of spine to inferior angle

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12
Q

Rhomboid Major (Action)

A

Adduction (retraction)

Medial (downward) rotation of scapula

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13
Q

Serratus Anterior (Origin)

A

Lateral surface of upper 8 ribs (by finger-like slips)

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14
Q

Serratus Anterior (Insertion)

A

Vertebral border of scapula - anterior surface

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15
Q

Serratus Anterior (Action)

A 
Abduction (protraction)
Lateral (upward) rotation of scapula 
Stabilizes scapula against chest wall
Depression of scapula (lower fibers)
Assists forced exhalation
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16
Q

Pectoralis Minor, Subclavius (Origin)

A

Anterior surface of ribs 3,4,5 near costal cartilages

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17
Q

Pectoralis Minor, Subclavius (Insertion)

A

Coricoid process of scapula (medial border of superior surface)

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18
Q

Pectoralis Minor, Subclavius (Action)

A 
Abduction (protraction)
Depression
Medial (downward) rotation
Anterior tilt of scapula
Assists forced exhalation
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19
Q

Pectoralis Major (Origin)

A

Clavicular Head: Medial half of clavicle
Sternocostal Head: Sternum
Cartilages of superior 6 ribs
Aponeurosis of external oblique muscle

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20
Q

Pectoralis Major (Insertion)

A

Lateral lip of bicipital (intertubercular) groove of humerus

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21
Q

Pectoralis Major (Action)

A 
Adduction
Horizontal adduction
Medial rotation of humerus
Clavicular Head: Flexion of humerus
Sternocostal Head: Extension of humerus
Assists anterior tilt of scapula
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22
Q

Latissimus Dorsi (Origin)

A 
Thoracolumbar aponeurosis
Lower 6 thoracic spinous processes
Sacrum
Iliac crest of ilium
Lower 3 to 4 ribs 
Inferior angle of scapula
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23
Q

Latissimus Dorsi (Insertion)

A

Bicipital (intertubercular) groove of humerus

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24
Q

Latissimus Dorsi (Action)

A 
Extension 
Medial rotation
Adduction of humerus
Medial (downward) rotation of scapula
Assists depression of scapula
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25
Supraspinatus (Origin)
Supraspinous fossa of scapula
26
Supraspinatus (Insertion)
Greater tubercle of humerus (superior facet)
27
Supraspinatus (Action)
Abduction Scaption of humerus Stabilization of head of humerus
28
Infraspinatus (Origin)
Infraspinous fossa of scapula
29
Infraspinatus (Insertion)
Greater tubercle of humerus (middle facet)
30
Infraspinatus (Action)
Lateral rotation | Extension of humerus
31
Teres Minor (Origin)
Upper 2/3 of axillary border of scapula
32
Teres Minor (Insertion)
Greater tubercle of humerus (inferior facet)
33
Ters Minor (Action)
Lateral rotation | Extension of humerus
34
Teres Major (Origin)
Inferior angle of scapula (dorsal surface) | Lower third of axillary border of scapula
35
Teres Major (Insertion)
Medial lip of bicipital groove of humerus
36
Teres Major (Action)
Extension Medial rotation Adduction of humerus
37
Deltoids (Origin)
Anterior: Lateral third of clavicle Middle: Acromion of scapula - lateral surface Posterior: Spine of scapula
38
Deltoids (Insertion)
Deltoid tuberosity of humerus
39
Deltoids (Action)
``` Anterior: Flexion Horizontal adduction Medial rotation of humerus Middle: Abduction of humerus to 90 degrees Posterior: Extension Horizontal abduction Lateral rotation Scaption of humerus ```
40
Biceps Brachii (Origin)
Short Head: Coracoid process of scapula | Long Head: Supraglenoid of tubercle of scapula
41
Biceps Brachii (Insertion)
Tuberosity of radius | Bicipital aponeurosis
42
Biceps Brachii (Action)
Flexion of elbow Supination of forearm Short Head: Flexion of humerus
43
Triceps Brachii (Origin)
Long Head: Infraglenoid tubercle of scapula Lateral Head: Posterior humerus above spiral groove Medial Head: Posterior humerus below spiral groove
44
Triceps Brachii (Insertion)
Olecranon process of ulna
45
Triceps Brachii (Action)
Extension of elbow | Long Head: Extension of humerus
46
Pronator Teres (Origin)
Humeral Head: Medial epicondyle of humerus | Ulnar Head: Coronoid process of ulna
47
Pronator Teres (Insertion)
Middle of lateral shaft of radius
48
Pronator Teres (Action)
Pronation of forearm | Assists in flexion of elbow
49
Pronator Quadratus (Origin)
Distal fourth of anterior ulna
50
Pronator Quadratus (Insertion)
Distal fourth of anterior radius
51
Pronator Quadratus (Action)
Pronates forearm
52
Brachioradialis (Origin)
Lateral supracondylar ridge of humerus
53
Brachioradialis (Insertion)
Styloid process of radius
54
Brachioradialis (Action)
Flexion of elbow with forearm in mid-position (halfway between supination and pronation)
55
Extensor Carpi Radialis Longus (Origin)
Lateral supracondylar ridge of humerus | Lateral epicondyle of humerus
56
Extensor Carpi Radialis Longus (Insertion)
Base of 2nd metacarpal
57
Extensor Carpi Radialis Longus (Action)
Extension | Abduction of wrist (radial deviation)
58
Extensor Carpi Radialis Brevis (Origin)
Lateral epicondyle of humerus (common extensor tendon)
59
Extensor Carpi Radialis Brevis (Insertion)
Base of 3rd metacarpal
60
Extensor Carpi Radialis Brevis (Action)
Extension of wrist
61
Extensor Digitorum (Origin)
Lateral epicondyle of humerus (common extensor tendon)
62
Extensor Digitorum (Insertion)
Extensor expansion of 4 fingers
63
Extensor Digitorum (Action)
Extension of 4 fingers at MP joints | Assists extension of wrist
64
Sartorius (Origin)
Anterior superior iliac spine
65
Sartorius (Insertion)
Upper medial shaft of tibia
66
Sartorius (Action)
``` Assists flexion of femur Assists abduction of femur Assists lateral rotation of femur Assists flexion of knee Assists medial rotation of tibia when knee is flexed and unweighted ```
67
Psoas Major and Iliacus/iliopsoas (Origin)
Psoas Major: Lumbar vertebrae L1-5 - transverse processes T12-L5 - bodies and intervertebral discs Iliacus: Iliac fossa of ilium
68
Psoas Major and Iliacus/iliopsoas (Insertion)
Lesser trochanter of femur
69
Psoas Major and Iliacus/iliopsoas (Action)
Flexion of femur Psoas major: Flexion of trunk - lumbar spine Assists lateral flexion of trunk - Lumbar spine
70
Rectus Femoris (Origin)
Anterior inferior iliac spine | Ilium at upper rim of acetabulum
71
Rectus Femoris (Insertion)
Patella | Tibial tuberosity via patellar ligament
72
Rectus Femoris (Action)
Extension of knee | Assists flexion of femur
73
Vastus Medialis (Origin)
Linae aspera of femur | Intertrochanteric line of femur
74
Vastus Medialis (Insertion)
Patella | Tibial tuberosity via patellar ligament
75
Vastus Medialis (Action)
Extension of knee
76
Vastus Lateralis (Origin)
Linae aspera of femur | Greater trochanter of femur
77
Vastus Lateralis (Insertion)
Patella | Tibial tuberosity via patellar ligament
78
Vastus Lateralis (Action)
Extension of knee
79
Vastus Intermedius (Origin)
Anterior and lateral femoral shaft
80
Vastus intermedius (Insertion)
Patella | Tibial tuberosity via patellar ligament
81
Vastus intermedius (Action)
Extension of knee
82
Pectineus (Origin)
Superior ramus of anterior pubis
83
Pectineus (Insertion)
Pectineal line of femur, inferior to lesser trochanter
84
Pectineus (Action)
Flexion of femur Adduction of femur Assists medial rotation of femur
85
Adductor Longus (Origin)
Anterior pubis - body, inferior to pubic crest
86
Adductor Longus (Insertion)
Linae aspera of femur - middle one third
87
Adductor Longus (Action)
Adduction of femur | Assists flexion of femur
88
Adductor Brevis (Origin)
Anterior pubis - body and inferior ramus
89
Adductor Brevis (Insertion)
Linae aspera of femur - proximal part | Pectineal line of femur
90
Adductor Brevis (Action)
Adduction of femur | Assists flexion of femur
91
Adductor Magnus (Origin)
Anterior Head: Inferior ramus of pubis Posterior Head: Ischial tuberosity Ramus of ischium
92
Adductor Magnus (Insertion)
Anterior Head: Linae aspera of femur | Posterior Head: Adductor tubercle of femur
93
Adductor Magnus (Action)
``` Adduction of femur Anterior Head: Assists flexion of femur Assists medial rotation of femur Posterior Head: Assists extension of femur Assists lateral rotation of femur ```
94
Gracilis (Origin)
Inferior ramus of anterior pubis
95
Gracilis (Insertion)
Medial proximal tibia
96
Gracilis (Action)
Adduction of femur Assists flexion of knee Assists medial rotation of tibia when knee is flexed
97
Gluteus Maximus (Origin)
Posterior sacrum Ilium (via sacrotuberous ligament) Posterior (superior) gluteal line of ilium
98
Gluteus Maximus (Insertion)
``` Gluteal tuberosity of femur Iliotibial tract (attaching to the lateral condyle of tibia) ```
99
Gluteus Maximus (Action)
Extension of femur | Lateral rotation of extended hip
100
Gluteus Medius (Origin)
Iliac crest of ilium | Ilium - between posterior (superior) and anterior (middle) gluteal lines
101
Gluteus Medius (Insertion)
Great trochanter of femur
102
Gluteus Medius (Action)
Abduction of femur | Anterior fibers: Medial rotation
103
Gluteus Minimus (Origin)
Posterior ilium - between anterior (middle) and inferior gluteal lines
104
Gluteus Minimus (Insertion)
Anterior surface of greater trochanter of femur
105
Gluteus Minimus (Action)
Abduction | Medial rotation of femur
106
Tensor of Fascia Lata (Origin)
Iliac crest - posterior to anterior superior iliac spine
107
Tensor of Fascia Lata (Insertion)
Iliotibial tract (attaches to the lateral condyle of the tibia)
108
Tensor of Fascia Lata (Action)
``` Assists flexion of femur Assists abduction of femur Assists medial rotation of femur Assists stability of extended knee in standing and ambulation Assists extension of knee ```
109
Piriformis (Origin)
Anterior sacrum | Sacral ligament
110
Piriformis (Insertion)
Greater trochanter of femur
111
Piriformis (Action)
Lateral rotation of femur
112
Biceps Femoris (Origin)
Long Head: Ischial tuberosity | Short Head: Linae aspera
113
Biceps Femoris (Insertion)
Head of fibula - lateral aspect | Lateral condyle of tibia
114
Biceps Femoris (Action)
Flexion of knee Lateral rotation of tibia when knee is flexed Long Head: Extension of femur
115
Semitendinosus (Origin)
Ischial tuberosity
116
Semitendinosus (Insertion)
Anterior proximal tibial shaft
117
Semitendinosus (Action)
Extension of femur Flexion of knee Medial rotation of tibia when knee is flexed
118
Semimembranosus (Origin)
Ischial tuberosity
119
Semimembranosus (Insertion)
Posterior medial tibial condyle
120
Semimembranosus (Action)
Extension of femur Flexion of knee Medial rotation of tibia when knee is flexed
121
Tibialis Anterior (Origin)
Lateral condyle of tibia Lateral shaft of tibia Interosseous membrane
122
Tibialis Anterior (Insertion)
Base of 1st metatarsal - plantar surface | Medial cuneiform tarsal bone - plantar surface
123
Tibialis Anterior (Action)
Dorsiflexion of ankle | Inversion of foot
124
Extensor Digitorum Longus (Origin)
Lateral condyle of tibia | Proximal 2/3 of anterior shaft of fibula
125
Extensor Digitorum Longus (Insertion)
Middle and distal phalanges of 4 lateral toes
126
Extensor Digitorum Longus (Action)
Extension of 4 lateral toes at MP joints | Assists dorsiflexion of ankle
127
Fibularis Longus/Peroneus Longus (Origin)
Head and lateral shaft of fibula - upper 2/3
128
Fibularis Longus/Peroneus Longus (Insertion)
Base of first metatarsal - plantar surface | Medial cuneiform tarsal bone - plantar surface
129
Fibularis Longus/Peroneus Longus (Action)
Eversion of foot | Assists plantarFlexion of ankle
130
Fibularis Brevis/Peroneus Brevis (Origin)
Lateral shaft of fibula - lower 2/3
131
Fibularis Brevis/Peroneus Brevis (Insertion)
Base of 5th metatarsal - lateral surface
132
Fibularis Brevis/Peroneus Brevis (Action)
Eversion of foot | Assists plantarflexion of ankle
133
Gastrocnemius (Origin)
Medial Head: Medial epicondyle of femur | Lateral Head: Lateral epicondyle of femur
134
Gastrocnemius (Insertion)
Calcaneus via calcaneal tendon (tendo Achilles)
135
Gastrocnemius (Action)
Plantarflexion of ankle | Assists flexion of knee
136
Soleus (Origin)
Soleal line of tibia Posterior head of fibula Upper shaft of fibula
137
Soleus (Insertion)
Calcaneus via calcaneal tendon (tendo Achilles)
138
Soleus (Action)
Plantarflexion of ankle
139
Tibialis Posterior (Origin)
Posterior tibia Posterior fibula Interosseous membrane
140
Tibialis Posterior (Insertion)
Navicular tarsal bone | Adjacent tarsals and metatarsals on plantar surface
141
Tibialis Posterior (Action)
Inversion of foot | Assists plantarflexion of ankle
142
Platysma (Origin)
fascia over pectoralis amjor and deltoid
143
Platysma (Insertion)
Mandible Subcutaneous tissue and skin of lower face Blends with muscles around mouth
144
Platysma (Action)
Depression of mandible Depression of lower lip, corner of mouth Tensing of skin of neck
145
Temporal/Temporalis (Origin)
Lateral surface of temporal bone
146
Temporal/Temporalis (Insertion)
Mandible - coronoid process, ramus
147
Temporal/Temporalis (Action)
Elevation of mandible Retrusion of mandible Unilaterally: Lateral deviation of mandible to same side
148
Masseter (Origin)
Zygomatic arch
149
Masseter (Insertion)
Mandible - Lateral surface of ramus
150
Masseter (Action)
Elevation of mandible Assists protrusion of mandible Unilaterally: Lateral deviation to same side
151
Sternocleidomastoid/SCM (Origin)
Sternal Head: Manubrium of sternum | Clavicular Head: Medial clavicle
152
Sternocleidomastoid/SCM (Insertion)
Mastoid process of temporal bone
153
Sternocleidomastoid/SCM (Action)
``` Bilaterally: Extension of head Flexion of neck Unilaterally: Lateral flexion of head to same side Lateral flexion of neck to same side Rotation of head to opposite side Rotation of neck to opposite side ```
154
Scalenes/Anterior, Middle, Posterior (Origin)
Transverse processes of cervical vertebrae: Anterior scalene: C3-6 Middle scalene: C2-7 Posterior scalene: C4-6
155
Scalenes/Anterior, Middle, Posterior (Insertion)
Ribs: Anterior scalene - 1st rib Middle scalene - 1st rib Posterior scalene - 1st, 2nd ribs
156
Scalenes/Anterior, Middle, Posterior (Action)
Anterior scalene: Flexion of head Middle scalene: Lateral flexion of neck Elevation of 1st rib in forced inspiration Posterior scalene: Lateral flexion of neck Elevation of 2nd rib in forced inspiration
157
Quadratus Lumborum (Origin)
Iliac crest of ilium - internal lip
158
Quadratus Lumborum (Insertion)
12th rib - inferior margin | Lumbar vertebrae 1-4 -transverse processes
159
Quadratus Lumborum (Action)
Stabilization of 12th rib in inspiration Unilaterally: Lateral flexion of trunk to same side Elevation of pelvis to same side if thorax and vertebral column are fixed
160
Rectus Abdominis (Origin)
Pubic symphysis | Pubic crest
161
Rectus Abdominis (Insertion)
Ribs 5,6,7 - costal cartilages | Xiphoid process
162
Rectus Abdominis (Action)
Flexion of trunk | Compression and support of abdominal viscera
163
External Oblique (Origin)
Ribs - Lower 8 (5-12)
164
External Oblique (Insertion)
Linae alba Pubis Anterior iliac crest
165
External Oblique (Action)
Bilaterally: Flexion of trunk Compression and support of abdominal viscera Unilaterally: Lateral flexion of trunk Rotation of trunk to opposite side
166
Internal Oblique (Origin)
Inguinal ligament Anterior iliac crest Thoracolumbar aponeurosis
167
Internal Oblique (Insertion)
Lower 4 ribs (9-12) - costal cartilages Abdominal aponeurosis Linae alba
168
Internal Oblique (Action)
Bilaterally: Flexion of trunk Compression and support of abdominal viscera Unilaterally: Lateral flexion of trunk Rotation of trunk to same side
169
Splenius Capitis (Origin)
Ligamentum nuchae | C7,T1-3 vertebrae - spinous processe
170
Splenius Capitis (Insertion)
Temporal bone - mastoid process | Occipital bone - superior nuchal line
171
Splenius Capitis (Action)
``` Bilaterally: Extension of head Extension of neck Unilaterally: Lateral flexion of head Lateral flexion of neck Rotation of head to same side Rotation of neck to same side ```
172
Splenius Cervicis (Origin)
T3-6 vertebrae
173
Splenius Cervicis (Insertion)
C1,2,3 vertebrae - transverse processes
174
Splenius Cervicis (Action)
``` Bilaterally: Extension of head Extension of neck Unilaterally: Lateral flexion of head Lateral flexion of neck Rotation of head to same side Rotation of neck to same side ```
175
Erector Spinae (Origin)
``` Thoracolumbar fascia Iliac crest of ilium Sacrum - posterior Sacral ligaments Lumbar vertebrae - spinous processes ```
176
Erector Spinae (Insertion)
Iliocostalis: Lower ribs - angles Cervical vertebrae - transverse processes Longissimus: Ribs 3-12 - between tubercles and angles Thoracic vertebrae - transverse processes Cervical vertebrae - transverse processes Temporal bone - mastoid process Spinalis: Thoracic vertebrae - spinous processes Cervical vertebrae - spinous processes Occipital bone - between superior and inferior nucheal lines
177
Erector Spinae (Action)
Bilaterally: Extension of spine Unilaterally: Lateral flexion of spine to same side

Musculoskeletal Anatomy (Class 12) (1 decks)

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