Palmaris Longus

• O (origin):

  • Common flexor origin

  A) Palmaris Longus

  
• R (direction):

  • Distally

  A) Palmaris Longus

  
• I (insertion):

  • Superficial surface of flexor retinaculum and palmar aponeurosis

  A) Palmaris Longus

  
• A (actions):

  • Weak flexor of the wrist & tightens the palmar fascia
  • May assist with flexion of the digits

  A) Palmaris Longus

  
• NS (nerve supply):

  • Median nerve (C5 - T1)

  A) Palmaris Longus