Which component is NOT a part of a body-powered prosthesis?

Prepare for the Physical Rehabilitation Test. Study using flashcards and multiple-choice questions. Each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which component is NOT a part of a body-powered prosthesis?

Explanation:
Body-powered prostheses rely on a mechanical linkage driven by the user’s own movements. A socket provides the interface with the residual limb, a forearm section connects the socket to the terminal device, and a control cable runs from a harness to the terminal device to open or close it. All action is achieved without electrical power; the user generates the force to operate the cable, which moves the terminal device. The component that is not part of a body-powered system is a battery-powered motor, since motors and batteries belong to electric (myoelectric) prostheses that use electrical energy and muscle signals to control movement.

Body-powered prostheses rely on a mechanical linkage driven by the user’s own movements. A socket provides the interface with the residual limb, a forearm section connects the socket to the terminal device, and a control cable runs from a harness to the terminal device to open or close it. All action is achieved without electrical power; the user generates the force to operate the cable, which moves the terminal device. The component that is not part of a body-powered system is a battery-powered motor, since motors and batteries belong to electric (myoelectric) prostheses that use electrical energy and muscle signals to control movement.

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