Acute Phase (Day 1 - 2 weeks):

  • Wear knee brace for ambulation (per physician’s order), with partial weight bearing as tolerated, utilizing bilateral axillary crutches.
  • Control edema with compressive bandages, ice, elevation, and ankle pumps.
  • Range of motion: 0-60 degrees AAROM & PROM.
  • Quad setting isometrics and terminal knee extension exercises.
  • Straight leg raises into hip flexion, adduction, and abduction.
  • Flexibility: hamstrings & calf stretches.

(2 weeks to 4 weeks)

  • Continue brace and crutches for ambulation (if pt demonstrates poor quadriceps control); otherwise, progress to single crutch to full weight bearing with no assistive device.
  • Continue to control edema.
  • Range of motion: 0-90 degrees AAROM & PROM.
  • Add in multiple angle isometrics for the knee extension.
  • At 4 weeks add in light resistance leg press.
  • Vertical step-ups.
  • Partial wall squats (0-45 degrees).

Subacute Phase (5 to 8 weeks):

  • Ambulation full weight bearing.
  • -Range of motion: 0-115 degrees at 5 weeks, 0-125 degrees at 6 weeks, 0-135 degrees at 8 weeks.
  • Begin knee extension machine.
  • Stationary bike.
  • Single leg balance and proprioceptive training.
  • Treadmill for endurance.

Minimum Protection Phase/ Return to Activities (8+ weeks):

  • Full range of motion.
  • Wall squats (0-60 degrees).
  • Forward lunges .
  • Lateral step-ups (2”. 4”, 6”, 8”).
  • Stair climber.
  • Jogging at 8 weeks.
  • Plyometrics at 10-12 weeks.
  • Functional/ sports specific drills at 10-12 weeks.

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