1971 – A computer controlled multi-task powered exoskeleton for paraplegic patients – Jack George Grundmann / Ali Seireg (American)

University of Wisconsin-Madison Mechanical Engineering Professor Ali Seireg achieved worldwide recognition for his work in mechanical and biomedical engineering design. Among his advances, he was first to develop a mathematical model of the entire human musculoskeletal system that could predict the muscle and joint forces and interactions, given a motion input. In the early 1970s, …

1971 – 3-legged Walker – Grundmann & Seireg (American)

Shown above is the original three legged walking machine. Contrary to above caption, the 3-legged walker was developed in 1971. Van Derhei, Jack (ed.) / The Wisconsin engineer Volume 77, Number 2 (November 1972) Sanborn, Steve Everyone should walk,   pp. 8-9 During the 1971 Engineering Exposition people on this campus were exposed for the first time …