Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Patent
1991-12-26
1992-09-22
Bahr, Robert
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing weight resistance
482134, 482137, 73379, A63B 21062
Patent
active
051493136
ABSTRACT:
A method of testing muscles of the lower trunk of a subject human body including the steps of restraining the pelvis against movement, connecting to a movement arm to a resistance weight of known force less than the maximum static strength of the muscles to pivot the movement arm in one direction to lift the resistance weight and then in an opposite direction to relieve the force on the movement arm to cause the resistance weight to return to its starting position, repeating the steps until the muscles fatigue and, wherein there is further included the steps of counterbalancing the upper trunk by a counter-weight connected to the movement arm wherein the stroke of the resistance weight is limited to three inches in order to reduce kinetic energy of the weight.
REFERENCES:
patent: 4104918 (1978-08-01), Macoveano et al.
patent: 4429870 (1984-02-01), Gibbs
patent: 4500089 (1985-02-01), Jones
patent: 4511137 (1985-04-01), Jones
patent: 4725054 (1988-02-01), Solow et al.
patent: 4725056 (1988-02-01), Rehrl et al.
patent: 4763897 (1988-08-01), Yakata
Bahr Robert
Mouzavires William E.
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