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19 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Pronator Teres
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Orig: HUMERAL HEAD by common flexor tendon from medial epicondyle
ULNAR HEAD by from medial side of coronoid process of ulna Ins: Middle of lateral surface of radius |
Action: Pronates forearm, assists in flexing elbow
N: Median n. (C6-7) |
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Flexor carpi radialis
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Orig: Common flexor tendon from medial epicondyle
Ins: Base of 2nd and 3rd metacarpals |
Action: Flexes and abducts the wrist (may also assist with elbow flexion & forearm pronation)
N: Median n. (C6-7) |
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Palmaris longus
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Orig: Common flexor tendon from medial epicondyle
Ins: Flexor retinaculum and palmar aponeurosis |
Action: Tenses the palmar fascia, flexes wrist (may assist with elbow flexion)
N: Median n. (C6-7) |
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Flexor carpi ulnaris
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Orig: HUMERAL HEAD by common flexor tendon from medial epicondyle
ULNAR HEAD from olecranon and posterior border of ulna Ins: Pisiform, hamate and base of 5th metacarpal |
Action: Flexes and adducts the wrist (may assist with elbow flexion)
N: Ulnar n. (C7-8) |
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Flexor digitorum superficialis
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Orig: HUMEROULNAR HEAD by common flexor tendon from medial epicondyle and coronoid process of ulna
RADIAL HEAD from anterior oblique line of radius Ins: Sides of shaft of middle phalanx of fingers |
Action: Flexes PIP joints of digits 2-5, assists in flexion of MCP joints and wrist
N: Median n. (C7-8, T1) |
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Flexor digitorum profundus
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Orig: Anterior and medial surfaces of ulna, adjacent interosseous membrane and deep fascia
Ins: Distal phalanx of fingers |
Action: Flexes DIP joints of digits 2-5, assists in flexion of PIP and MCP joints and may assist with wrist flexion
N: Medial half of ulnar n., lateral half by anterior interosseous branch of median n. (C8, T1) |
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Flexor pollicis longus
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Orig: Anterior surface of radius, adjacent interosseous membrane and a variable slip from coronoid process or medial epicondyle
Ins: Base of distal phalanx of thumb |
Action: Flexes interphalangeal joint of thumb, assist in flexion of the MCP and CMC joints of thumb and may assist with wrist flexion
N: Anterior interosseous branch of median n. (C8, T1) |
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Pronator quadratus
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Orig: Lower quarter of anterior surface of ulna
Ins: Lower quarter of anterior surface of radius |
Action: Pronates forearm
N: Anerior interosseous branch of median n. (C8, T1) |
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Brachioradialis
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Orig: Upper two-thirds of lateral supracondylar ridge of humerus and from lateral intermuscular septum
Ins: Lateral side of base of styloid process of radius |
Action: Flexes elbow, assists in pronation to midposition, assists in supination to midposition
N: Radial n. (C5-6) |
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Extensor carpi radialis longus
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Orig: Lower third of lateral supracondylar ridge and from lateral intermuscular septum
Ins: Base of 2nd metacarpal |
Action: Extend and abduct wrist (may assist with elbow FLEXION)
N: Radial n. (C6-7) |
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Extensor carpi radialis brevis
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Orig: Common extensor tendon from lateral epicondyle, radial collateral ligament of elbow joint
Ins: Base of 3rd metacarpal |
Action: Extend and abduct wrist
N: Posterior interosseous (deep) branch of radial n. (C7-8) |
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Extensor digitorum (communis)
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Orig: Common extensor tendon from lateral epicondyle and adjacent intermuscular septa
Ins: Through extensor expansion into bases of middle and distal phalanges of fingers |
Action: Extends the MCP joints and in conjunction with the interossei and lumbricals extends the IP joints of digits 2-5
N: Posterior interosseous branch of radial n. (C7-8) |
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Extensor digiti minimi
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Orig: Common extensor tendon from lateral epicondyle and adjacent intermuscular septa
Ins: Through extensor expansion into bases of middle and distal phalanges of little finger |
Action: Extends the MCP joint and in conjunction wiht the interossei and lumbricals extends the interphalangeal joint of digit 5 (may assist with wrist extension)
N: Posterior interosseous branch of radial n. (C7-8) |
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Extensor carpi ulnaris
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Orig: Common extensor tendon from lateral epicondyle, posterior border of ulna
Ins: Base of 5th metacarpal |
Action: Extends and adducts wrist
N: Posterior interosseous branch of radial n. (C7-8) |
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Supinator
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Orig: Lateral epicondyle, radial collateral ligament of elbow joint, annular ligament of proximal radioulnar joint, posterolateral surface of ulna (supinator crest)
Ins: Upper third of lateral surface of radius |
Action: Supinates forearm
N: Posterior interosseous branch of radial n. (C5-6) |
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Abductor pollicis longus
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Orig:
- Posterior surface of ulna below origin of supinator - Middle third of posterior surface of radius below insertion of supinator - Intervening interosseous membrane Ins: Radial side of base of 1st metacarpal, trapezium |
Action: Abducts and extends CMC joint of thumb, abducts wrist and assists in flexing wrist
N: Posterior interossesous branch of radial n. (C7-8) |
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Extensor pollicis brevis
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Orig: Posterior surface of radius below abductor and adjacent interosseous membrane
Ins: Base of proximal phalanx of thumb |
Action: Extends MCP joint of thumb, extends and abducts CMC joint of thumb, assists in wrist abduction
N: Posterior interosseous branch of radial n. (C7-8) |
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Extensor pollicis longus
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Orig: Middle third of posterior surface of ulna below abductor and adjacent interosseous membrane
Ins: Base of distal phalanx of thumb |
Action: Extends IP joint of thumb, assists in extension of MCP and CMC joints of thumb, assists in abduction and extension of wrist
N: Posterior interosseous branch of radial n. (C7-8) |
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Extensor indicis (proprius)
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Orig: Posterior surface of ulna below extensor pollicis longus and adjacent interosseous membrane
Ins: Through extensor expansion into bases of middle and distal phalanges of index finger |
Action: Extends MCP joint and in conjunction with interossei and lumbricals, extends IP joint of index finger (may assist in adduction of index finger and extension of wrist)
N: Posterior interosseous branch of radial n. (C7-8) |
