Hi, my husband is 27 years old (183cm, 98kg). In an attempt to loose weight, he often went to the gym and worked out for 1 1/2 hour everyday. He didn't loose much weight though but developed knee and heel pain. We went to the orthopedic and x-rays were taken. According to doctor, his muscles (correct me if i am wrong) behind the patela and heel is 'loose'. Besides, the doc confirmed that he has any early osteoarthritis. The doctor gave some medicine but still it did not work. Recently, we went to a chinese physician and he told that the muscles on his thighs have gone stiff and that is the cause of the knee and heel ache. I feel very bad for him as he is still going through a lot of pain.