Precision grip

• Precision grip:

  • Object manipulated with tips of fingers and fully opposable thumb

  
• Precision Grip:

  • Wrist held in a few degrees of extension (varies according to task)
  • Tips of thumb, index and middle fingers held in opposition
  • Digits held in varying degrees of flexion, extension, abduction and adduction

  
• Precision Grip - Isometric muscle action:

  • Long flexors and extensors, lumbricals, interossei, thenar and hypothenar muscles

  
• Types of precision grip:

  • Terminal opposition (Pincer grip)
  • Subterminal opposition
  • Subtermino-lateral opposition (Key grip)
  • Adduction between two fingers