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Abstract
A scheme is presented for designing man-powered devices for optimal power transfer from human operator to mechanism. This scheme is a mathematical description of human dynamics in terms of components capable of storing and releasing energy. Such a description provides a notion of the information required for the engineering design of man-machine systems and indicates a possible direction for potentially fruitful research.
The work conducted by Hill's school, culminating in Wilkie's data demonstrating the measurements and theoretical considerations relating to individual muscle fibres, can be used to predict the performance of the gross anatomy of the body, is reviewed.
Data on the efficiency of muscular work and human power output are discussed, In addition, certain data for human power generation by handwheels and pedals are presented in terms of short duration and sustained efforts.