Exercise devices – Having specific electrical feature – Monitors exercise parameter
Patent
1993-07-19
1995-03-28
Apley, Richard J.
Exercise devices
Having specific electrical feature
Monitors exercise parameter
482 79, 482900, 7337906, 128782, A63B 7100, A61B 522
Patent
active
054012244
ABSTRACT:
A method of and apparatus for measuring physical strength by dynamically measuring the instantaneous power of a nonrepetitive muscular force as, for example, the force exerted by a leg extension, on the basis of a power theory and, consequently, the instantaneous power generated by a dynamic, nonrepetitive multi-articular movement such as a vertical jump. Work equivalent to an inertial energy is absorbed by a rotary drive system. This work is then added with an amount of work equivalent to the kinetic energy absorbed by a foot plate, the sum being added to the work done to a powder brake to obtain the maximum speed V.sub.max of the foot plate and its output time T.sub.max. Finally, the power produced by a leg extension is calculated from the maximum speed V.sub.max of the foot plate and its output time T.sub.max.
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Ito Masao
Tsuchiya Kunimasa
Apley Richard J.
Combi Corporation
Leubecker John P.
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