ACL Reconstruction Recovery Timeline: What Rehabilitation Usually Involves

ACL rehabilitation is criteria-based

ACL reconstruction recovery is usually best understood as a series of goals rather than a calendar alone. Swelling, knee movement, quadriceps strength, control, confidence and the demands of your sport or activity all influence progression.

Early rehabilitation

Early priorities commonly include controlling swelling, regaining knee extension, gradually improving flexion, restoring a normal walking pattern and rebuilding quadriceps activation. If additional procedures such as meniscus repair were performed, there may be extra restrictions.

Strength and control

The middle phase normally becomes increasingly focused on lower-limb strength, single-leg control, balance and progressively more demanding functional tasks. The operated leg should not simply be trained in isolation; hip, calf and trunk strength are also important.

Running and higher-level rehab

Running is not normally introduced just because a certain number of weeks has passed. It is usually considered when swelling is controlled, movement is satisfactory, strength and impact tolerance have reached an appropriate level and the knee responds well to progressive loading.

Return to sport

Later rehabilitation should include sport-specific movement, deceleration, change of direction, jumping and landing where relevant. Return-to-sport decisions should consider testing, confidence, symptoms, graft healing and the advice of the treating team.

More ACL guidance

Read the ACL Reconstruction Rehabilitation Resource Centre or view the complete ACL Reconstruction Rehabilitation Guide for a staged programme and exercise progression.

Trusted UK guidance

For general NHS recovery information after ACL surgery, see NHS: Recovering from ACL surgery.