"origin: medial epicondyle of the humerus"
"insertion: palmar aponeurosis"
"arterial supply: anterior ulnar recurrent artery"
"innervation: median nerve"
"action: weak flexor of the wrist and elbow; tightens the palmar aponeurosis during power grip"
"action: weak flexor of the wrist and elbow; tightens the palmar aponeurosis during power grip"
"The palmaris longus is often absent, more commonly unilaterally than bilaterally. There is ethnic variation in the prevalence of absence:"