Muscle Actions- Upper Extremity Flashcards by Caitlin Lee | Brainscape

Q

Scapula- Elevation

A

Upper trapezius

- Levator scapulae

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Q

Scapula- Depression

A

Latissimus dorsi
Lower trapezius
Pectoralis major
Pectoralis minor

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Q

Scapula- Protraction

A

Serratus anterior

- Pectoralis minor

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Q

Scapula- Retraction

A

Middle trapezius

- Rhomboids

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Q

Scapula- Upward Rotation

A

Upper trapezius
Lower trapezius
Serratus anterior

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Q

Scapula- Downward Rotation

A

Rhomboids
Levator scapulae
Pectoralis minor

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Q

Shoulder- Flexion

A

Anterior deltoid
Coracobrachialis
Pectoralis major (clavicular head)
Biceps brachii

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Q

Shoulder- Extension

A

Latissimus dorsi
Teres major
Posterior deltoid
Triceps brachii (long head)

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Q

Shoulder- Abduction

A

Middle deltoid

- Supraspinatus

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Q

Shoulder- Adduction

A

Pectoralis major
Latissimus dorsi
Teres major

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Q

Shoulder- Horizontal Abduction

A

Posterior deltoid
Infraspinatus
Teres minor

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Q

Shoulder- Horizontal Adduction

A

Anterior deltoid

- Pectoralis major

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Q

Shoulder- Lateral Rotation

A

Teres minor
Infraspinatus
Posterior deltoid

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Q

Shoulder- Medial Rotation

A

Subscapularis
Teres major
Pectoralis major
Latissimus dorsi
Anterior deltoid

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Q

Elbow (humeroulnar joint)- Flexion

A

Biceps brachii
Brachialis
Brachioradialis

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Q

Elbow (humeroulnar joint)- Extension

A

Triceps brachii

- Anconeus

Q

Radioulnar joint- Supination

A

Biceps brachii

- Supinator

Q

Radioulnar joint- Pronation

A

Pronator teres

- Pronator quadratus

Q

Wrist- Flexion

A

Flexor carpi radialis
Flexor carpi ulnaris
Palmaris longus

Q

Wrist- Extension

A

Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor carpi ulnaris

Q

Wrist- Radial Deviation

A

Extensor carpi radialis longus & brevis
Flexor carpi radialis
Extensor pollicis longus & brevis

Q

Wrist- Ulnar Deviation

A

Extensor carpi ulnaris

- Flexor carpi ulnaris

Q

Finger- Flexion

A

Flexor digitorum profundus & superficialis
Flexor digiti minimi (5th digit)
Interossei
Lumbricals

Q

Finger- Extension

A

Extensor digitorum communis
Extensor indicis (2nd digit)
Extensor digiti minimi (5th digit)

Q

Finger- Abduction

A

Dorsal interossei

- Abductor digiti minimi (5th digit)

Q

Finger- Adduction

A

Palmar interossei

Q

Thumb- Flexion

A

Flexor pollicis longus & brevis

- Opponens pollicis

Q

Thumb- Extension

A

Extensor pollicis longus & brevis

- Abductor pollicis longus

Q

Thumb- Abduction

A

Abductor pollicis longus & brevis

Q

Thumb- Adduction

A

Adductor pollicis

Q

Thumb- Opposition

A

Opponens pollicis
Flexor pollicis brevis
Abductor pollicis brevis
Opponens digiti minimi