There are many muscles and tendons in the area. Google knee anatomy. And see if you can figure which one in the problem. Then tell you Dr and get a proper knee exam.or you can Google knee exam and teach a friend to do it and tell you what is the problem. I would prefer Dr.
Answered Mar 12, 2023
Your description could be the gastrocnemius muscle. It crosses the knee joint and when toes are up and knee is extended (locked) will put maximum stretch on the muscle. The plantaris muscle also crosses the joint but unlikely the problem. You can try physical therapy but I would have it examined.
Answered Mar 29, 2023
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