Opponens Pollicis

• Opponens Pollicis:

  • Deep to abductor pollicis brevis

  
• O (origin):

  • Flexor retinaculum
  • Tubercle of trapezium

  A) Opponens Pollicis

  
• R (direction):

  • Distally

  A) Opponens Pollicis

  
• I (insertion):

  • Lateral half of anterior surface of 1st metacarpal

  A) Opponens Pollicis

  
• A (action):

  • Opposition

  A) Opponens Pollicis

  
• NS (nerve supply):

  • Recurrent (lateral) branch median nerve (C5 - T1)

  A) Opponens Pollicis