Amputation at the level of elbow disarticulation is performed for a variety of reasons. The primary rationale being that this can be a less disruptive procedure since the surgery is through a joint and therefore creates less disruption of the bone and tissue.
- This level of amputation provides a very long lever arm for excellent cable control as well as the possibility of capturing humeral rotation. The oval shape at the end of the limb, when it can be captured, provides excellent rotational control and a lower proximal trim line. This is particularly important for accurate placement of the terminal device especially in the position of shoulder abduction.
- The elbow disarticulation socket can provide suspension from the flair at the distal end of the limb. The use of the epicondyles for suspension requires that they are non-tender and well-shaped.