What are the types of knees available for an above-knee amputee?
There are various types of prosthetic knees available for individuals with above knee amputations. However, the knee used in the prosthesis depends on the activity level of the individual. One of the first knees used in a prosthesis is what is known as a manual locking knee . This simple type of knee is usually appropriate for the less active adult who may only use their prosthesis for a few steps or to do a simple pivot transfer. The manual locking knee is a hinge type knee joint that remains locked while the new amputee learns how to stand and walk, but the knee can be unlocked by pushing a button or pulling a lever. This allows the knee to bend so that the amputee can sit down without having the prosthetic limb sticking out in front of them. If the amputee is more of an active person, then a true mobile knee joint can be used. Typically, this knee is either a constant friction (single axis) knee or a stance control (weight-activated friction) knee. The constant friction knee works l
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