You Had ACL Surgery. Now You Can’t Fully Straighten Your Knee. Here’s Why That’s a Big Problem — and How to Fix It.
Lack of full knee extension after ACL surgery occurs due to post-op swelling/pain that inhibits the quadriceps, soft tissue guarding and scar tissue formation. This could lead to a structural block called a cyclops lesion, or a poorly positioned surgical graft. The window to address it is the first 4 weeks post-op.
