Knee instability my foot.
D001174:Arthrodesis; D001186:Artificial Limbs; D004576:Electromyography; D006801:Humans; D007717:Knee / Q000502:physiology / Q000503:physiopathology*; D007866:Leg / Q000601:surgery; D009985:Orthopedics; D010243:Paralysis / Q000601:surgery