Edmund M. Kosmahl, PT, EdD

 GONIOMETRY WEB SITE


METACARPOPHALANGEAL JOINT EXTENSION

 MCP Extension Photo

Test Position

  • Subject sitting with forearm resting on table
  • Wrist and interphalangeal joints relaxed
  • Forearm neutral
  • Stabilize metacarpal to prevent motion

Normal Range

  • 22o (index), 18o (long), 23o (ring), 19o (little) (American Academy of Orthopaedic Surgeons - active motion)
  • 20o (American Medical Association)

Goniometer Alignment

  • dorsal metacarpophalangeal joint
  • Stationary arm aligned with metacarpal
  • Moving arm aligned with proximal phalange

Normal End Feel

  • capsular

copyright 1999 E. Kosmahl