Physiotherapy guides

Knee · Ligament & stability injuries · 8 min read

ACL rehabilitation: what matters before returning to sport?

Recovery after an ACL injury is measured through movement, strength and sport readiness—not the calendar alone.

Person experiencing symptoms related to ACL rehabilitation

Condition focusKnee

Important

This guide provides general education and does not diagnose a condition or replace individual medical or physiotherapy assessment.

01

Every ACL pathway is individual

ACL injuries may be managed with reconstruction or a non-operative rehabilitation pathway depending on the injury, associated damage, instability, sport and individual goals. The rehabilitation plan should reflect the agreed medical and surgical pathway.

02

Early priorities

  • Settle swelling and restore knee extension
  • Regain quadriceps activation
  • Normalise walking when appropriate
  • Protect healing structures and follow surgical restrictions
  • Maintain strength and fitness in safe ways
03

Building a strong foundation

Strength work progresses through the quadriceps, hamstrings, calves, hips and trunk. Balance, landing control and single-leg function become increasingly important. A complete plan also develops the physical capacity to tolerate repeated training, not just one successful test.

04

From running to changing direction

Running is usually introduced after suitable movement, strength and impact tolerance are demonstrated. The program then progresses through acceleration, deceleration, jumping, landing and planned change of direction before more reactive sport tasks.

05

Return to sport is a shared decision

Time since injury is only one consideration. Clinical findings, strength, functional testing, training exposure, confidence and the demands of the sport all inform the decision. Clearance should be coordinated with the treating physiotherapist, surgeon or sports physician as appropriate.

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