Muscles of Upper Arm Flashcards by Ellen Stewart | Brainscape

Q

Action of biceps brachii

A

Flexes arm at elbow and shoulder

Supination of forearm

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Q

Action of coracobrachialis

A

Flexes arm at shoulder

Weak adduction

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Q

Action of brachialis

A

Flexion at elbow

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Q

Innervation of muscles of upper arm

A

Musculocutaenous

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Q

Innervation of muscles of the anterior compartment of the forearm

A

Median nerve

Except FCU and medial half of FDP - ulnar nerve

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Q

Innervation of posterior compartment muscles

A

Radial nerve

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Q

Action of pronator teres

A

Pronation of forearm

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Q

Action of FCR

A

Flexion of wrist

Abduction of wrist

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Q

Action of palmaris longus

A

Flexion of wrist

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Q

Action of FCU

A

Flexion of wrist

Adduction of wrist

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Q

Actions of FDS

A

Flexion of MCP and PIP joints of four fingers

Flexion of wrist

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Q

Actions of flexor digitorum profundus

A

Flexion of DIP joint of fingers

Flexion of MCP joint of fingers

Flexion of wrist

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Q

Actions of flexor pollicis longus

A

Flexion at MCP and IP joints of thumb

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Q

Action of pronator quadratus

A

Pronation of forearm

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Q

Action of brachioradialis

A

Flexion of elbow

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Q

Actions of ECRL&B

A

Extension of wrist

Abduction of wrist

Q

Action of extensor digitorum

A

Extension of four fingers at MCP and IP joints

Q

Action of extensor digiti mimini

A

Extension of little finger

Contributes to extension of wrist

Q

Action of extensor carpi ulnaris

A

Extension and adduction of wrist

Q

Action of supinator

A

Supination of forearm

Q

Action of abductor pollicis longus

A

Abducts thumb

Q

Action of extensor pollicis brevis

A

Extends MCP and carpometacarpal joints of thumb

Q

Action of extensor pollicis longus

A

Extends all joints of thumb - CMC, MCP and IP joints