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38 Cards in this Set

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