G - Physics – 01 – L
Patent
G - Physics
01
L
G01L 1/00 (2006.01) A61B 5/22 (2006.01) A63B 23/04 (2006.01) A63B 24/00 (2006.01) A63B 21/00 (2006.01) A63B 21/005 (2006.01) A63B 21/22 (2006.01) A63B 23/035 (2006.01)
Patent
CA 2060070
ABSTRACT OF THE DISCLOSURE 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 Vmax of the foot plate and its output time Tmax. Finally, the power produced by a leg extension is calculated from the maximum speed Vmax of the foot plate and its output time Tmax. An apparatus for such measurement includes a base frame; a box disposed in a rear end of the base frame; a guide section that extends in the same direction as the base frame between the upper front surface of the box and a vertical plate that stands at the front end of the base frame, with the upper front surface of the box serving as the base end; a foot section that slides along the guide section so that its sliding - 43 - angle is variable; a measuring unit that measures sliding conditions of the foot section; and a display unit that displays, visually or aurally, various data on the leg extension of the subject. - 44 -
Ito Masao
Tsuchiya Kunimasa
Combi Corporation
Riches Mckenzie & Herbert Llp
LandOfFree
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