Most likely your nonoperative side has been compensating for the weak side during the last six months. This would account for it gaining strength since the operation. Over time both legs should even out to a more normal strength pattern.
You didn't give any specifics about the test results of the operated leg. How close to normal was the strength? Research shows hamstring strength will return to almost normal (what it was just before surgery). Most patients won't have any problems in daily
Athletes using specific movements may have some trouble with deep knee flexion. It doesn't sound like this is a problem for you. Ask your doctor to explain the results of your tests. Be prepared with any specific questions you may have, and ask for his or her
opinion about your knee.