Short palm muscle
Short palm muscle , m. Palmaris brevis, is a thin plate with parallel muscle beams. The muscle originates from the inner edge of the palmar aponeurosis and the flexor retainer and weaves into the skin of the pinky's eminence.
Function: pulls the palmar aponeurosis, forming a series of folds on the skin of the little finger.
Innervation: n. Ulnaris [(CVII) CVIII-ThI].
Blood supply: a. Ulnaris.
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