Peter Adamczyk is Assistant Professor at the University of Wisconsin-Madison. Here he talks about semiactive foot and ankle prosthesis. The difference is that active below-knee prostheses work to move the person’s weight, emulating the calf muscle, while semi-active devices use small amounts of power to improve the performance of the prosthesis. Adamczyk discusses the motivation for semi-active devices and gives three examples: shiftable shapes, controllable keels, and alignable ankles.
Adamczyk directs the University of Wisconsin-Madison Biomechatronics, Assistive Devices, Gait Engineering and Rehabilitation Laboratory (UW BADGER Lab) which aims to enhance physical and functional recovery from orthopedic and neurological injury through advanced robotic devices.
For information on their research, visit their website on uwbadgerlab.engr.wisc.edu