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MSK > What action does each muscle do? > Flashcards

What action does each muscle do? Flashcards

1
Q

gluteus maximus

A

hip extension

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2
Q

gluteus medius

A

hip abduction

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3
Q

gluteus minimus

A

hip abduction

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4
Q

piriformis

A

lateral rotator of hip

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5
Q

tensor fascia lata

A

medial rotator of hip

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6
Q

anterior compartment of the thigh

A

extension of knee, except sartorius which flexes the knee and hip

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7
Q

medial compartment of the thigh

A

adduction of the hip except pectineus which flexes the hip

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8
Q

posterior compartment of the thigh

A

flexors of the knee

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9
Q

sartorius

A

the exception to the anterior compartment, it flexes the knee and hip joints, laterally rotates the hip and medially rotates the knee

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10
Q

semitendinous

A

knee flexion and extension of hip

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11
Q

semimembranous

A

knee flexion and extension of hip

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12
Q

biceps femoris

A

knee flexion and extension of hip

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13
Q

vastus medialis

A

knee extension

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14
Q

vastus intermedius

A

knee extension

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15
Q

vastus lateralis

A

knee extension

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16
Q

rectus femoris

A

knee extension

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17
Q

pectineus

A

hip adduction

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18
Q

adductor longus

A

hip adduction

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19
Q

adductor brevis

A

hip adduction

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20
Q

adductor magnus

A

hip adduction

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21
Q

gracilis

A

hip adduction

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22
Q

pectoralis major

A

1) arm flexion 2) arm adduction 3) arm medial rotation

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23
Q

Pec minor

A

scapula proctraction

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24
Q

serratus anterior

A

protraction of scapula

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25
supraspinatus
arm abduction
26
infraspinatus
external rotation of arm
27
teres minor
external rotation of arm
28
subscapularis
internal rotation of arm
29
teres major
internal rotation of arm
30
coracobrachialis
flexion of arm
31
biceps brachii
flexion on arm and elbow, supination
32
brachialis
flexion of forearm
33
triceps brachii
extension of arm
34
pronator teres
pronation of forearm
35
flexor carpi radialis
flexion of wrist
36
palmaris longus
flexion of wrist
37
flexor carpi ulnaris
flexion of wrist
38
flexor digitorum superficialis
flexion of PIPs (also MCP and wrist a bit)
39
flexor digitorum profundus
flexion of DIPs (also MCP and wrist a bit)
40
flexor pollicus longus
flexion of thumb IP joint
41
pronator quadratus
pronation of forearm
42
brachioradioalis
flexor of forearm
43
Extensor carpi radialis longus
extensor of wrist
44
extensor carpi radialis brevis
extensor of wrist
45
extensor digitorum
extension of digits 2-5
46
extensor digiti minimi
extension of little finger
47
extensor carpi ulnaris
extension of wrist
48
anconeus
extension of elbow
49
abductor pollicis longus
abduction of thumb
50
extensor pollicis longus
extension of thumb
51
extensor pollicis brevis
extension of thumb
52
extensor indicis
extension of index finger
53
Abductor pollicis brevis
thumb abduction
54
Opponens pollicis
opposition of the thumb
55
Flexor pollicis brevis
thumb flexion
56
abductor digiti minimi
fifth digit abduction
57
opponens digiti minimi
opposition of the fifth digit
58
flexor digiti minimi brevis
fifth digit flexion
59
palmaris brevis
...don't know...
60
lumbricals
flexion of MCP, extension of PIP and DIP (Ta-Ta)
61
palmar interossei
adduction (PAD)
62
dorsal interossei
abduction (DAB)
63
gasctrocnemius
plantar flexion
64
soleus
plantar flexion
65
popliteus
unlocks knee
66
plantaris
plantar flexion
67
flexor digitorum longus
flexion of toes 2,3,4,5
68
flexor hallucis longus
flexion of big toe
69
tibialis posterior
plantar flexion and inversion
70
tibialis anterior
dorsiflexion and inversion
71
extensor hallucis longus
extend toe 1
72
extensor digitorum longus
extension of toes 2,3,4,5
73
fibularis tertiate
dorsiflexion and eversion
74
extensor digitorum brevis
extension of toes 2,3,4
75
extensor hallucis brevis
extension of toe 1
76
fibularis longus
eversion
77
fibularis brevis
eversion

MSK (8 decks)

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