Posterior Cruciate Ligament (PCL) Repair Rehabilitation Protocol - Repair, Not Reconstruction

General Considerations:
• Patients are weight bearing as tolerated with crutch use as needed post-operatively.
• Range of motion will be blocked from 0 - 20° in a brace for ADL's and all exercises for 4 weeks.
• Important not to push for extension past 0° for 6 - 8 weeks post-op to protect capsular repair.
• No resisted knee flexion exercises for 6 - 8 weeks post-op.
• Regular manual and self-mobilization of the patella, patella tendon, and portals should be performed to prevent fibrosis.
• Return to sport and activities is dependent upon passing a functional, sports test.

Week 1:
• MD visit Day 1 post-op for dressing change, review of medications, and instruction on home program.
• Gait training, pain and edema control, and muscle stimulation to improve quadriceps recruitment.
• Ankle pumps, quad and adduction sets, leg raises in multiple planes (except hip extension).
• Mild isometric-resisted knee extension. General stretching program.
• Well-leg stationary cycling and UBE. Upper body weight machines and trunk exercises.

 Weeks 2 - 4:
• Progress weight bearing and functional mobility as able to demonstrate good mechanics.
• Passive extension stretching to 0° only to protect the capsular repair.
• Submaximal quad, glute and abduction/adduction isometrics within the range restrictions.
• Knee bends (0 - 20°), calf raises, weight shifting, ankle exercises, balance and proprioception exercises.
• Patella, suprapatellar pouch, and scar mobilization regularly.
• Short-range stair machines as able. Pool walking and workouts as soon as incisions are well-healed.

Weeks 4 - 6:
• Brace from 0 - 70° for day-to-day activities and exercises.
• Submaximal quad and knee extension isometrics through multiple ranges.
• Prone hip extension exercises in extension only.
• Light resistance leg press within range restrictions, abduction/adduction, and hip machines at the gym.
• Increase depth of weight shifting, knee bends, step-ups and proprioceptive exercises within range.
• Initiate two-legged bicycling for range of motion only and without resistance.

Weeks 6 - 8:
• Increase range of motion to full in the brace and wean off when range of motion is 0 - 120°. 
• Introduce hamstring curls against gravity without resistance. Focus on eccentrics.
• Continue to increase intensity and resistance of other exercises.
• Goals are to increase passive and functional range of motion.

Weeks 8 - 12:
• Continue with all exercises.
• Add lateral exercises (i.e. lateral stepping, lateral step-ups, etc.).
• Begin hamstring flexion exercises against light resistance (i.e. open-chain, hamstring curls).
• Continue all exercises with emphasis on closed-chain, functional, and proprioceptive program.
• Fit for functional PCL brace to be used with sporting activities and more ballistic rehab exercises.
• Increase resistance of cycling, stair machine, and pool programs.

Weeks 12 - 16:
• Goals are to increase strength, power, and cardiovascular conditioning.
• Sport-specific exercises and training program.
• Maximal eccentric-focused strengthening program.
• Begin light running program as able to demonstrate good strength and mechanics.

Months 4 - 6: 
• Goals are to develop maximal strength and power, and to advance to sporting activities.
• Resisted closed-chain rehabilitation through multiple ranges.
• Running program, balance drills, and agility program.
• Initiate plyometric training as able to demonstrate adequate strength and proper mechanics.

NOTE: All progressions are approximations and should be used as a guideline only. Progression will be based on individual patient presentation, which is assessed throughout the treatment process.
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