Phase 1 (0-4 weeks)

  • Brace locked in full extension for 2 weeks
  • At 2 weeks unlock to 45 degrees
  • Non Weight bearing
  • Reduce swelling and minimise pain
  • Passive range of movements and patella mobilisation
  • Quadriceps exercises 90-0 degrees
  • No Hamstring curls or heel slides allowed
  • Straight leg raise and hip abduction and extension exercises
  • Calf and Hamstring stretch
  • No driving for 6 weeks

Phase 2 (4-12 weeks)
At 4-6 weeks

  • Unlock brace to allow 90 degrees flexion
  • Allow passive flexion by pushing using opposite foot
  • Open chain quadriceps from 90-0
  • Start weight bearing

At 6-12 weeks

  • Start full weight bearing
  • Restore gait pattern
  • Remove brace at 8 weeks for PCL and 12 weeks for PCL+PLC
  • Start mini squats
  • Exercise bike without resistance- seat high
  • Cross trainer/eliptical
  • Proprioceptive exercises- single leg stance and dips
  • Pool therapy allowed
  • Note: Avoid open chain Hamstring exercises for 4 months

Phase 3 (3 months to 6 months)

  • Regain full range of motion
  • Continue open chain quadriceps work
  • Improve function, strength, power and endurance
  • Treadmill and 30 minute power walk
  • No running
  • Regain atleast 80% quadriceps strength
  • Neuromuscular control

Phase 4

  • Increase endurance and neuromuscular training
  • Start jumps and side stepping
  • Sports specific training
  • Aim to return to sport between 10-12 months