<s>[INST] My husband s right leg is affected by polio when he was 3yrs. After surgery done at the hip and ankle, he could walk. His right leg is thinner than his left leg and the knee bend is not strong enough. Can his leg be strengthened especially the knee? [/INST] Hello,I read carefully your query and understand your concern. The knee strengthening can be achieve achieved through exercises. You should consult a physical therapist to guide through specific exercises that should be done. Hope my answer was helpful.If you have further queries feel free to contact me again.Kind regards! Dr.Dorina Gurabardhi General &Family Physician </s>