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72 Cards in this Set
- Front
- Back
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What muscles on the anterior side of the hand? |
Flexors |
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What muscles on the posterior side of the hand? |
Extensor |
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Extrinsic muscles - origins |
Outside of hand - humerus, radius, and ulna, |
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Intrinsic muscles - origins |
Inside hand - on carpal bones, metacarpals, or tendons of other muscles |
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Metacarpophalangeal (MCP) motions |
Flexion, extension, hyperextension, abduction, adduction |
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Flexor retinaculum |
2 ligaments join at ulnar and radial side of anterior side of the bone. Holds tendons close, no spreading. Forms roof: median nerve and tendons of muscles that move fingers |
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Extrinsic muscles - insertions |
Inside hand - on the phanlanges |
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Intrinsic muscles - insertions |
Also inside hand - on phanlanges and tendons of other muscles |
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Flexor digitorum superficialis origin Extrinsic |
Common flexor tendon on medeial epicondyle, coronoid process |
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Flexor digitorum superficialis insertion Extrinsic |
Sides of the middle phalanx of the 4 fingers |
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Flexor digitorum superficialis action Extrinsic |
Flexes the MCP and PIP joints of the fingers |
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Flexor digitorum superficialis nerve Extrinsic |
Median Nerve |
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Flexor digitorum profundus origin Extrinsic |
Upper 3/4 of the ulna |
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Flexor digitorum profundus insertion Extrinsic |
Distal phalanx of the 4 fingers |
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Flexor digitorum profundus action Extrinsic |
Flexes all 3 joints of the fingers. MCP, PIP, DIP. |
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Flexor digitorum profundus nerve Extrinsic |
Median and ulnar nerve |
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Flexor pollicis longus origin Extrinsic |
Radius, anterior surface |
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Flexor pollicis longus insertion Extrinsic |
Distal phalanx of thumb |
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Flexor pollicis longus action Extrinsic |
Flexes all 3 joints of the thumb. CMC, MCP, IP. |
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Flexor pollicis longus nerve Extrinsic |
Median nerve |
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Flexor digitorum superficialis origin Extrinsic |
Common flexor tendon on the medial epicondyle, coronoid process, radius |
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Flexor digitorum superficialis insertion Extrinsic |
Sides of the middle phalanx of the 4 fingers |
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Flexor digitorum superficialis action Extrinsic |
Flexes the MCP and PIP joints of the fingers |
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Flexor digitorum superficialis nerve Extrinsic |
Median nerve |
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Flexor digitorum profundus origin Extrinsic |
Upper 3/4 of the ulna |
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Flexor digitorum profundus insertion Extrinsic |
Distal phalanx of the 4 fingers |
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Flexor digitorum profundus action Extrinsic |
Flexes all 3 joints of the fingers. MCP, PIP, DIP. |
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Flexor digitorum profundus nerve Extrinsic |
Medial and ulnar nerve |
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Flexor pollicis longus origin Extrinsic |
Radius, anterior surface |
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Flexor pollicis longus insertion Extrinsic |
Distal phalanx of thumb |
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Flexor pollicis longus action Extrinsic |
Flexes all 3 joints of the thumb. CMC, MCP, IP. |
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Flexor pollicis longus nerve Extrinsic |
Median nerve |
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Abductor pollicis longus origin Extrinsic |
Posterior radius, interosseous membrane, middle ulna |
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Abductor pollicis longus insertion Extrinsic |
Base of the first MC |
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Abductor pollicis longus action Extrinsic |
Abducts thumb. CMC. |
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Abductor pollicis longus nerve Extrinsic |
Radial nerve |
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Extensor pollicis bervis Origin Extrinsic |
Posterior distal radius |
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Extensor pollicis bervis insertion Extrinsic |
Base of the proximal phalanx of thumb |
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Extensor pollicis bervis action Extrinsic |
Extends CMC and MCP joints of thumb |
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Extensor pollicis bervis nerve Extrinsic |
Radial nerve |
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Extensor pollicis longus origin Extrinsic |
Middle posterior ulna and interosseous membrane |
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Extensor pollicis longus insertion Extrinsic |
Base of the distal phalanx of thumb |
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Extensor pollicis longus action Extrinsic |
Extends all 3 joints of thumb. CMC, MPC, IP |
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Extensor pollicis longus nerve Extrinsic |
Radial nerve |
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Extensor digitorum origin Extrinsic |
Lateral epicondyle of the humerus |
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Extensor digitorum insertion Extrinsic |
Base of the distal phalanx of 2nd thru 5th finger |
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Extensor digitorum action Extrinsic |
Extend all 3 joints of the fingers. MCP,PIP,DIP. |
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Extensor digitorum nerve Extrinsic |
Radial nerve |
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Extensor indicis origin Extrinsic |
Distal ulna |
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Extensor indicis insertion Extrinsic |
Base of the distal phalanx of the 2nd finger |
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Extensor indicis action Extrinsic |
Extends all 3 joints of the 2nd finger. MCP, PIP. DIP. |
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Extensor indicis nerve Extrinsic |
Radial nerve |
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Extensor digiti minimi origin Extrinsic |
Lateral epicondyle of the humerus |
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Extensor digiti minimi insertion Extrinsic |
Base of distal phalanx of 5th finger |
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Extensor digiti minimi action Extrinsic |
Extends all 3 joints of the 5th finger. MCP, PIP, DIP. |
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Extensor digiti minimi nerve Extrinsic |
Radial nerve |
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Flexor pollicis brevis origin Intrinsic |
Trapezium and flexor retinaculum |
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Flexor pollicis brevis insertion Intrinsic |
Proximal phalanx of the thumb |
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Flexor pollicis brevis action Intrinsic |
Flexes the CMC and MCP joints of thumb |
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Flexor pollicis brevis nerve Intrinsic |
Median nerve |
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Abductor pollicis bervis origin Intrinsic |
Scaphoid, trapezium, and flexor retinaculum |
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Abductor pollicis bervis insertion Intrinsic |
Proximal phalanx of the thumb |
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Abductor pollicis bervis action Intrinsic |
Abducts the thumb. CMC joint. |
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Abductor pollicis bervis nerve Intrinsic |
Median nerve |
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Opponens pollicis origin Intrinsic |
Trapezium and flexor retinaculum |
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Opponens pollicis insertion Intrinsic |
1st MC |
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Opponens pollicis action Intrinsic |
Opposes the thumb. CMC joint |
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Opponens pollicis nerve Intrinsic |
Median nerve |
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Adductor pollicis origin Intrinsic |
Capitate, base of the 2nd MC, palmer surface of the 3rd MC |
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Adductor pollicis insertion Intrinsic |
Base of proximal phalanx of thumb |
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Adductor pollicis action Intrinsic |
Adducts the thumb. CMC jont |
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Adductor pollicis nerve Intrinsic |
Ulnar nerve |
