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38 Cards in this Set
- Front
- Back
Extensor digiti minimi mm origin: ___
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Lateral epicondyle of humerus
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Extensor digiti minimi mm insertion: ___
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Extensor expansion of 5th finger
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Extensor digiti minimi mm function: ___
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Extension of 5th finger
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Extensor digitiminimi mm innervation: ___
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Radial nerve
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Extensor carpi ulnaris mm origin: ___
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Lateral epicondyle of humerus and ulna
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Extensor carpi ulnaris mm insertion: ___
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5th metacarpal bone (base)
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Extensor carpi ulnaris mm function: ___
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Extension and adduction of hand
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Extensor carpi ulnaris mm innervation: ___
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Radial nerve
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Anconeus mm orgigin: ___
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Lateral epicondyle of humerus
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Anconeus mm insertion:___
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Olecranon and proximal 1/4 of ulna
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Anconeus mm function:___
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Extension of forearm
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Anconeus mm innervation:___
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Radial nerve
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___involved with movement of the thumb (1st finger)
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Thenar eminence
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Thenar eminence has 4 muscles: ___
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Abductor pollicis brevis
Flexor pollicis brevis Opponens pollicis Adductor pollicis |
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There may or may not be ____ in the tendon of the flexor pollicis
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Sesamoid bones
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__involved with movement of the little finger (5th)
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Hypothenar eminence
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Hypothenar eminence has 4 muscles: ___
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Palmaris brevis
Abductor digiti minimi Flexor digiti minimi (brevis) Opponens digiti minimi |
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__locates between the thenar and hypothenar eminences
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Interthenar region
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__involved with movement of the fingers
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Interthenar region
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Interthenar region contains 3 sets of muscles: ___
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Lumbricales
Palmar Interossei Dorsal Interossei |
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__has 4 muscles, found on the palmar side, and most superficial of the 3 sets.
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Lumbricales
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__has 4 muscles, found on the palmar side, and deep to the lumbricals
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Palmar interossei
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__has 4 muscles and deep to the palmar interossei (dorsum of the hand)
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Dorsal Interossei
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__is a deep fascia which surrounds the wrist
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Flexor and extensor retinacula
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__functions to hold the tendons of the flexor and extensors close to the wrist
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Flexor and extensor retinacula
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__accounts for why the wrist either flexes or extends at the wrist joint
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Flexor and extensor retinacula
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__formed from deep fascia
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Palmar aponeurosis
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__covers the soft tissue in the palm of the hand
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Palmar aponeurosis
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__actually a continuation of the flexor retinaculum inferiorly
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Palmar aponeurosis
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__it splits and a portion continues into each finger and becomes continuous with the fibrous flexor sheath of the fingers
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Palmar aponeurosis
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__ fibrous sheaths lined by synovial membranes
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Flexor sheaths
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__facilitates the movement of the flexor tendons in the hand
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Flexor sheaths
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___consists of the lower expanded end of the tendon of the extensor digitorum
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Extensor expansion
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__the central portion inserts into the base of the middle phalanx on the dorsal surface
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Extensor expansion
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The lateral and medial fibers of the extensor expansion pass ___ and insert into the base of the ___
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Inferiorly
Distal phalanx |
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Structures such as the ___and ___ isnert into the expansiion as do the extensor muscles
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Interosseus muscles
Lumbricales |
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__is similar to the flexor sheaths (synovial membranes)
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Extensor sheaths
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Tendons of extensor muscles have sheaths lined with ___, which facilitates movement.
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Synovial membranes
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