Recovering From ACL Injury

A common question from athletes recovering from an ACL injury is, “When can I play again?” It’s a question that’s not always easy to answer because recovery from an ACL tear can vary greatly from person to person. The timeline depends on several factors, such as the type of surgery performed, how well you're progressing in rehab, and your individual healing process. Everyone’s recovery is different, and that’s why it’s so important to take a personalized approach to rehabilitation.

1. Understanding the Surgery and Graft Types

Your recovery timeline starts with the type of ACL surgery you have. The graft used to reconstruct the ACL can vary, and each type affects how rehab progresses. The three most common grafts include:

  • Bone-patellar-bone grafts (using part of your own kneecap and tendon)
  • Hamstring tendon grafts
  • Cadaver tissue grafts

Which type you receive depends on your surgeon's recommendation, as well as your age, activity level, and the goals you’ve set for recovery. Each of these grafts requires different rehab protocols, which may slightly adjust your timeline.

2. The Initial Rehab Phase: Strengthening Your Knee

The first phase of rehab focuses on strengthening the muscles around your knee, particularly the quadriceps, hamstrings, and glutes. This is crucial for controlling the knee and ensuring stability before jumping into more dynamic activities.

During this phase, the timeline can vary depending on the graft used:

  • Bone-patellar-bone grafts may progress a bit quicker (around 12 weeks) if the muscles around the knee are strong and stable.
  • Cadaver grafts may require additional time (around 16 weeks) before you’re ready for higher-impact activities.

3. Progressing to Running and Agility Drills

Once you’ve built sufficient strength, you’ll begin to incorporate running, agility, and change-of-direction drills. This phase typically starts around 3 to 4.5 months after surgery, depending on how well your knee has healed.

Key aspects of this phase include:

  • Re-learning proper movement mechanics
  • Starting with slower, controlled movements before progressing to quicker drills
  • Focusing on deceleration (slowing down) before accelerating, as this is a critical skill for preventing future injuries

4. Jumping, Landing, and Sport-Specific Movements

As your strength, control, and confidence grow, you’ll start introducing jumping and landing exercises. This should begin with two-foot landings before moving to one-foot landings.

The goal here is to:

  • Develop proper technique to ensure safety
  • Monitor ground contact time to prevent overuse and swelling
  • Build confidence in your knee as you reintroduce sport-specific movements

This phase is essential for preparing your knee for the demands of your sport.

5. Final Evaluation: Are You Ready to Return?

After progressing through the earlier phases, it’s time for a final assessment. This evaluation will look at:

  • Thigh muscle strength (quadriceps, hamstrings)
  • Any remaining swelling
  • Your ability to perform sport-specific movements (running, cutting, jumping)
  • Your confidence level in doing those movements

This step is crucial for determining whether your knee is ready to handle the stresses of your sport again.

6. The Road to Full Recovery: Patience Is Key

It’s important to recognize that recovery from an ACL injury doesn’t happen overnight. While some athletes may return to sports in 6 months, for most people, full recovery can take anywhere from 9 months to 1.5 years.

Don’t rush the process—remember, your knee will be with you for the rest of your life, and taking the time to heal properly now will pay off in the long run. With the right combination of prehabilitation, surgery, post-op therapy, and a well-structured return-to-sport program, you can safely get back to doing what you love.

Have Questions? We’re Here to Help

If you have any questions or want to schedule an appointment with one of our ACL specialists, feel free to click the “Request an Appointment” button or give us a call at 865-392-1033.

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MAKE AN APPOINTMENT

To experience the Thrive difference, please contact us today and schedule your appointment. You do not need a doctor’s referral to start Physical Therapy!

Make An Appointment

To experience the Thrive difference, please contact us today and schedule your appointment. You do not need a doctor’s referral to start Physical Therapy!