A vertical jump measuring device, which comprises:Īt least one normally open transducer adapted to deliver a signal and deactivated in response to a jumper stepping thereon Ī timer connected to said transducer and adapted to receive said signal to measure a time period said transducer is activated while said jumper is in the air Ī table which derives vertical height jumped from impulse force and time period measurements A method to measure vertical jump height of a jumper as set forth in claim 1 including the additional step of measuring said time period with a plurality of transducers.ģ. Measuring a time period between take-off and landing Ĭonverting said impulse force and time periods measurements into upward and downward velocities by integrating force over said time measurements Ĭalculating vertical jump height from said velocities andĢ. Measuring both take-off impulse force over a period of time and landing impulse force over a period of time of a jump of said jumper
A method to measure vertical jump height of a jumper, which method comprises: Vertical leap measuring apparatus and methodġ. Jump platform exerciser for strengthening the ankle extensors Method for measuring instantaneous power generated by a leg extending forceĪpparatus for measuring instantaneous power by leg-stretching power Time measurement apparatus and system having reception or transmission functionĪpparatus for measurement of forces and pressures applied to a garment
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