Power grip

• Power grip:

  • Object grasped between fingers and palm while thumb applies counter pressure

  
• Power Grip:

  • Used when strong grip required
  • Object lies in gutter of palm
  • Fingers flexed around object
  • Grip reinforced by pressing thumb into object

  
• Power Grip - Muscles work isometrically to hold object:

  • Lumbricals and long flexors hold metacarpophalangeal joints in flexion
  • FDS and FDP hold proximal interphalangeal joints and dorsal interphalangeal joints in flexion
  • FPL and the other muscles of the thenar eminence hold thumb in position
• Power Grip - Muscles work isometrically to hold object:

  • Lumbricals and long flexors hold metacarpophalangeal joints in flexion
  • FDS and FDP hold proximal interphalangeal joints and dorsal interphalangeal joints in flexion
  • FPL and the other muscles of the thenar eminence hold thumb in position

  
• Types of power grip:

  • Palmar grip (Thumb involved)
  • Hook grip (Thumb not involved)