Dislocation or Subluxation of Patella

Definition:
An incomplete luxation or displacement of the patella; although a relationship is altered, contact between joint surfaces remains.
Symptoms:
  • Pain in the knee
  • Swelling in the knee
  • Loss of ROM in the knee
  • Weakness in the affected leg
Causes:
  • Direct blow
  • Sudden twist of the leg
  • Slip and fall
Treatment:
  • Period of immobilization
  • Progress to ROM and stretching exercise
  • Lower extremity strengthening exercise
  • Stabilization exercises