Palmaris Brevis

Joe Muscolino

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The palmaris brevis intrinsic muscle of the hand. The palmaris longus has been drawn in, as has the flexor retinaculum.

The Palmaris Brevis could be considered to be a member of the Hypothenar Eminence Group of intrinsic muscles of the hand, composed of the:



  • The transverse carpal ligament and the palmar aponeurosis to the dermis of the ulnar/medial border of the palm of the hand.
    • The transverse carpal ligament is also known as the flexor retinaculum.



  • wrinkles the skin of the palm


NOTE: Wrinkling the skin of the palm can help to increase grip strength when holding an object with the hand.