Frequently Asked Questions After ACL Reconstruction

1. What procedure did I undergo?

You underwent Anterior Cruciate Ligament (ACL) reconstruction with concomitant meniscus repair.

• The ACL is a primary stabilizer of the knee, particularly during pivoting, cutting, and jumping activities.

• The meniscus plays a critical role in load transmission, shock absorption, and joint stability.

Both structures require early controlled motion and progressive loading to achieve optimal healing.

2. Am I allowed to bear weight immediately?

Yes.

• Full weight bearing is permitted immediately, as tolerated.

• Crutches may be used initially for comfort and gait normalization and discontinued as strength and control improve.

⚠️ Key precaution:

• Avoid combined weight bearing with knee flexion beyond 90° in the early phase of recovery.

• Activities such as deep squatting, loaded lunges, or low sitting positions while standing on the surgical leg should be avoided initially.

3. Can I move my knee right away?

Yes. Immediate range of motion is encouraged.

• Early motion reduces stiffness, swelling, and the risk of arthrofibrosis.

• Achieving and maintaining full knee extension is a priority from the first post-operative day.

🎯 Clinical goal:

• Full knee range of motion by 4 weeks post-operatively

4. Why is loaded flexion beyond 90° restricted early?

The restriction is to protect the repaired meniscus.

• Deep knee flexion under load increases shear and compressive forces across the meniscus repair site.

• Knee flexion beyond 90° is permitted without weight bearing, but not during standing or loaded activities early in rehabilitation.

This strategy balances meniscal protection with accelerated functional recovery.

5. When does strengthening begin?

Phase I: Weeks 0–4 | Protection & Activation

Focus:

• Swelling and pain control

• Restoration of full knee extension

• Normalization of gait mechanics

• Early activation of quadriceps, gluteal, hamstring, and calf musculature

Phase II: Months 1–2 | Strength & Control

Focus:

• Progressive lower-extremity strengthening

• Hip and core stability

• Balance and neuromuscular control

🎯 Clinical goal:

• A strong, stable knee capable of controlled daily activities

6. When may I begin jogging?

🏃 Approximately 3 months post-operatively

• Initiation of straight-line, low-impact jogging

• Only after demonstration of adequate strength, movement control, and minimal to no effusion

Jogging serves as a functional readiness milestone, not a performance benchmark.

7. When may I progress to running?

🏃‍♂️ Approximately 4 months post-operatively

• Gradual progression from jogging to running

• Emphasis on endurance, mechanics, and controlled acceleration/deceleration

8. When can I return to recreational sports or endurance events?

🏊🚴🏃 Approximately 5 months post-operatively

• Return to non-contact recreational sports

• Fun runs and controlled participation in triathlon events

The emphasis remains on movement quality, conditioning, and confidence rather than  competition.

9. When can I return to contact or high-demand sports?

🏀⚽🏐🚵 Approximately 6 months post-operatively, with clearance

High-demand sports such as:

• Basketball

• Soccer / Football

• Volleyball

• Aggressive or technical cycling

Return is contingent upon:

• Strength symmetry between limbs

• Dynamic stability and neuromuscular control

• Sport-specific movement competency

• Clearance by your orthopaedic surgeon and physical therapist

10. What factors most influence a successful outcome?

The strongest predictors of success include:

• Consistent participation in structured rehabilitation

• Adequate sleep and nutrition

• Effective swelling management

• Progressive loading without premature return to high-risk activities

Rehabilitation is an active process — precision and patience matter.

11. What should I avoid early in recovery?

❌ Loaded deep squatting or lunging
❌ Pivoting or twisting on a flexed knee
❌ Playing through swelling or pain
❌ Advancing activity without guidance

12. Final message

ACL reconstruction with meniscus repair is a highly successful procedure when paired with appropriate rehabilitation.

With adherence to these guidelines, most patients:

• Restore full motion

• Regain strength and neuromuscular control

• Safely return to sport and high-level activity

If questions or concerns arise at any stage of recovery, early communication with your care team is encouraged.

This rehabilitation process is not simply recovery — it is structured restoration of knee performance.