Skip to content

Palmaris brevis

Contents

General information

  • Is a part of the lower arm's palmar muscles

Position

  • Superficial

Origin

  • Flexor retinaculum
  • Palmar aponeurosis

Insertion

  • Skin of the ulnarside of the hand

Main function

  • Contracts the skin in the palm

Nerve innervation

  • Segmental
    • C8-Th1
  • Peripheral
    • Ulnar nerve

Arterial supply

  • Ulnar artery
  • Radial artery

Palpation

  • The muscle is too thin to be palpated