Palmaris Brevis

Joe Muscolino

Share This

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:

 

ATTACHMENTS:

  • 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.

 

ACTIONS:

  • 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.