Afterward the area would feel about 50% numb, as if injected with a mild local anesthetic that was slowly wearing off
, for several hours. I mentioned this to my doctor and he just dismissed it as "you probably just strained your knee", but I hadn't. Normal walking, running, jumping, etc caused no pain, weakness or instability and there was no swelling, bruising or other external indication of injury. It was only while fully bent that the pain occurred.