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versions of Muscle Origins, Insertions, Actions, & Innervations (Arm, Elbow, Forearm, and Hand): main | yours | all (10+)

Muscle Origins, Insertions, Actions, & Innervations (Arm, Elbow, Forearm, and Hand)

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cbainbridge9818's version from 2015-07-24 21:06

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Elbow Muscles Innervated by the Musculocutaneous Nerve

Question	Answer	Column 3	Column 4	Column 5
Biceps Brachi	Coracoid process and tubercle above glenoid cavity.	Radial tuberosity	Elbow flexion, forearm supination	Musculocutaneous Nerve
Brachialis	Anterior shaft of humerus	Coronoid process of Ulna	Elbow flexion	Musculocutaneous Nerve
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Elbow Muscles Innervated by the Radial Nerve

Question	Answer	Column 3	Column 4	Column 5
Brachioradialis	Distal lateral end of humerus	Lateral surface of proximal and distal end of radius	Elbow flexion	Radial Nerve
Triceps	tubercle below glenoid cavity, lateral & medial surfaces of humerus	Olecranon process of ulna	Elbow extension	Radial Nerve
Anconeus	Lateral epicondyle	Olecranon fossa	Assists elbow extension	Radial Nerve C6, C7
Supinator	Lateral epicondyle of humerus and crest of ulna	lateral surface of radius	Forearm supination	Radial Nerve
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Wrist Muscles Innervated by the Radial Nerve

Question	Answer	Column 3	Column 4	Column 5
Extensor Carpi Radialis Longus	distal end of humerus	Base of 2nd metacarpal	Wrist extension,abducts hand at wrist	Radial Nerve C6, C7
Extensor Carpi Radialis Brevis	Lateral epicondyle	Base of 3rd metacarpal	Wrist extension and abducts hand at wrist.	Radial Nerve
Extensor Carpi Ulnaris	Lateral epicondyle	Base of 5th metacarpal	Wrist extension, adducts hand at wrist	Radial Nerve
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Finger Muscles Innervated by the Radial Nerve

Question	Answer	Column 3	Column 4	Column 5
Extensor Digitorum	Lateral epicondyle	Distal phalanx of 2 -5 fingers	Extends all joints of fingers	Radial Nerve C6, C7, C8
Extensor Indicis	Distal ulna	Distal phalanx of 2 finger	Extends all joints on 2 finger	Radial Nerve C6, C7, C8
Extensor Digiti Minimi	Lateral epicondyle	Distal phalanx of 5 finger	Extends all joints of 5 finger	Radial Nerve C6, C7,C8
Abductor Pollicis Longus	Radius, interosseous membrane, ulna	first metacarpal	Abducts thumb	Radial Nerve C6, C7
Extensor Pollicis Brevis	Posterior distal radius	Proximal phalanx of thumb	Extends MP of thumb	Radial Nerve C6, C7
Extensor Pollicis Longus	Posterior ulna, interosseous membrane	Distal phalanx of thumb	Extends MP and IP joints of thumb	Radial Nerve C6, C7, C8
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Elbow Muscles Innervated by the Medial Nerve

Question	Answer	Column 3	Column 4	Column 5
Pronator Teres	Medial epicondyle of humerus and coronoid process of ulna	lateral surface of radius	medially rotates forearm	Median Nerve
Pronator Quadratus	anterior distal end of ulna	distal end of radius	medially rotates forearm	Median Nerve
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Wrist Muscles Innervated by the Medial Nerve

Question	Answer	Column 3	Column 4	Column 5
Flexor Carpi Radialis	Medial epicondyle	Base of 2nd and 3rd metacarpals	Wrist flexion, radial deviation	Median Nerve C6, C7
Palmaris Longus	Medial epicondyle	Palmar fascia	Assists wrist fuction	Median Nerve C6, C7
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Finger Muscles Innervated by the Medial Nerve

Question	Answer	Column 3	Column 4	Column 5
Flexor Digitorum Superficialis	medial epicondyle	2nd to 5th middle phalanges	2nd to 5th MCP and PIP flexion	Median Nerve


Opponens Pollicis	Trapezium and flexor retinaculum	1st metacarpal	Opposes thumb (CMC)	Median nerve C6, C7
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Elbow Muscles Innervated by the Ulnar Nerve

Question	Answer	Column 3	Column 4	Column 5
Flexor Carpi Ulnaris	Medial epicondyle	anterior lateral carpals ( hook of hamate, pisiform, base of 5th metacarpal	Wrist flexion, ulnar deviation	Ulnar Nerve
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Finger Muscles Innervated by the Ulnar Nerve

Question	Answer	Column 3	Column 4	Column 5
Flexor Digitorum Profundus	anterior ulna	anterior 2nd to 5th distal phalanges	f2nd and 5th MCP and DIP: flexion	Median and Ulnar Nerve
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