I am experancing loss of leg strength, knee pain that is dull achy , it got progressivly worse until I gave up two weeks ago, I did ski a lot this year and did lots of trees bumps in loose snow. It started out in BS with ibuprofen taking care of the pain and ended up with feeling that amputation was the answer. There was no fall or twist that I can contribute to the situation. I partially tore my quad tendon with lead to a complete rupture in the other leg . And the feeling of the partial tear are very similar . It feels better now I am not skiing, I just don't want to ignore and be back in the same boat next year. I am 64 5'-10" 170lbs advanced skier