Prime Movers of Upper Limb Flashcards by Lena Walther

Q

Scapulothoracic elevation

A

Levator scapula

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Q

Scapulothoracic depression

A

Trapezius (lowest fibers)

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Q

Scapulothoracic retraction

A

Trapezius (middle fibers)

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Q

Scapulothoracic protraction

A

Serratus anterior

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Q

Scapulothoracic upward rotation

A

Serratus anterior

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Q

Scapulothoracic downward rotation

A

Levator scapula

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Q

Axial rotation of clavicle

A

Subclavius

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Q

Shoulder flexion

A

Deltoid (anterior fibers)

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Q

Shoulder extension

A

Latissimus dorsi

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Q

Shoulder abduction

A

Deltoid (middle fibers)

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Q

Shoulder adduction

A

Pectoralis major

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Q

Shoulder lateral rotation

A

Infraspinatus

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Q

Shoulder medial rotation

A

Subscapularis

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Q

Elbow flexion

A

Brachialis

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Q

Elbow extension

A

Triceps brachii

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Q

Elbow supination

A

Biceps brachii

Q

Elbow pronation

A

Pronator teres

Q

Wrist flexion

A

Flexor digitorum profundus

Q

Wrist extension

A

Extensor digitorum

Q

Wrist radial deviation

A

Extensor carpi radialis (longus and brevis)

Q

Wrist ulnar deviation

A

Flexor carpi ulnaris

Q

MCP and IP flexion

A

Flexor digitorum profundus/flexor pollicis longus

Q

MCP and IP extension

A

Extensor digitorum/extensor pollicis longus

Q

MCP and IP abduction

A

Dorsal interossei/abductor pollicis longus/abductor digiti minimi

Q

MCP and IP adduction

A

Palmar interosseo/adductor pollicis

Q

Thumb and 5th finger Opposition

A

Opponens pollicis/oppens digiti minimi