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Em's ESA 2 > MSK Muscle actions > Flashcards

MSK Muscle actions Flashcards

1
Q

What muscles extend the shoulder joint?

A

Posterior deltoid
Latissimus dorsi
Teres major

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2
Q

What muscles flex the shoulder joint?

A

biceps brachii
pec major
anterior deltoid
coracobrachialis

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3
Q

What muscles abduct the arm?

A

0-15 degrees Supraspinatus
15-90 degrees middle fibres of deltoid
90+ degrees trapezius and serratus anterior rotate scapula

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4
Q

What muscles adduct the arm?

A

Pec major
Latissimus dorsi
Teres major

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5
Q

What muscles medially rotate the arm?

A 
Subscapularis
Pec major
Latissimus dorsi
Teres major
Anterior deltoid
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6
Q

What muscles laterally rotate the arm?

A

Infraspinatus

Teres minor

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7
Q

What muscles extend the forearm?

A

Triceps brachii

Aconeus

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8
Q

What muscles flex the forearm?

A

Biceps brachii
Brachialis
Brachioradialis

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9
Q

What muscles pronate the forearm?

A

Pronator quadratus

Pronator teres

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10
Q

What muscles supinate the forearm?

A

Biceps brachii

Supinator

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11
Q

What muscles flex the wrist?

A

Flexor carpi ulnaris + radialis

assisted by flexor digitorum profundus

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12
Q

What muscles extend the wrist?

A

Extensor carpi radialis longus + brevis
Extendor carpi ulnaris
Assisted by extensor digitorum

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13
Q

What muscles abduct the hand?

A

Abductor pollicis longus
Flexor carpi radialis
Extensor carpi radialis longus + brevis

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14
Q

What muscles adduct the hand?

A

Extensor carpi ulnaris

Flexor carpi ulnaris

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15
Q

What muscles flex the hip?

A

Iliosoas
Rectus femoris
Sartorius

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16
Q

What muscles extend the hip?

A

Glut max
Semi memb+tend
Biceps femoris

17
Q

What muscles abduct the thigh?

A 
Glut med min
deep gluteals (piriformis, gemelli)
18
Q

What muscles adduct the thigh?

A

Adductor longus brevis magnus
Pectineus
gracillis

19
Q

What muscles laterally rotate the thigh?

A

Biceps femoris
Glut max
deep gluteals (piriformis, gemelli)

20
Q

What muscles medially rotate the thigh?

A

Glut med min

Semi memb+tend

21
Q

What muscles extend the knee?

A

Quadriceps femoris

22
Q

What muscles flex the knee?

A

Hamstrings
Gracilis
Sartorius
Popliteus

23
Q

What muscles laterally rotate the knee?

A

Biceps femoris

24
Q

What muscles medially rotate the knee?

A

Semi memb+tend
Gracilis
Sartorius
Popliteus

25
Q

What muscles plantarflex the foot?

A

Gastrocnemius
Soleus
Plantaris
Posterior tibialis

26
Q

What muscles dorsiflex the foot?

A

Tibialis anterior
Extensor hallucis longus
Extensor digitorum longus

Em's ESA 2 (66 decks)

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