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Preventive therapy is recommended to preserve the function of the fingers. This may include physical exercise, stretching, proper bodily function and myofascial release (massage, foam roller). Exercises are focused on the forearm muscles, such as the extensor carpi ulnaris; extensor digitorum to antagonize the flexion of the fingers.
The extensor digiti minimi (extensor digiti quinti proprius) is a slender muscle of the forearm, placed on the ulnar side of the extensor digitorum communis, with which it is generally connected. It arises from the common extensor tendon by a thin tendinous slip and frequently from the intermuscular septa between it and the adjacent muscles.
The extensor indicis proprius usually runs and inserts onto the ulnar side of the extensor digitorum communis of the index finger. [4] The fifth compartment is occupied by the extensor digiti minimi, the extensor of the little finger. The extensor carpi ulnaris passes through the sixth compartment to insert to the base of the fifth metacarpal bone.
Extensor carpi radialis brevis common extensor tendon 3rd metacarpal, base radial nerve, deep branch: Extensor digitorum extensor expansion of 2nd–5th middle, distal phalanges [7] posterior interosseus: posterior interosseus: extends fingers, wrist FDS, FDP: s125p451: Extensor digiti minimi extensor expansion, base of proximal phalanx, little ...
Wartenberg's sign is a neurological sign consisting of involuntary abduction of the fifth (little) finger, caused by unopposed action of the extensor digiti minimi. [ 1 ] [ 2 ] This commonly results from weakness of some of the ulnar nerve innervated intrinsic hand muscles -in particular the palmar interosseous muscle to the little finger ...
The intrinsic muscle groups are the thenar and hypothenar (little finger) muscles; the interossei muscles (four dorsally and three volarly) originating between the metacarpal bones; and the lumbrical muscles arising from the deep flexor (and which are special because they have no bony origin) to insert on the dorsal extensor hood mechanism.