"arterial supply: palmar metacarpal artery of deep palmar arch"
"innervation: superficial branch of the ulnar nerve"
"origin: palmar aponeurosis and flexor retinaculum"
"insertion: dermis of skin on the medial margin of the hand"
"action: improves grip"
"arterial supply: palmar metacarpal artery of deep palmar arch"
"innervation: superficial branch of the ulnar nerve"
Expected headings
"Summary"