The Art of Motion; An Introduction to Cycling Biomechanics
   
 
 
 
 
     
 

Computrainer vs zenoLINK 3-D

 
 

 

 
 

A computrainer will provide power output data and related information ie. cadence. The power output data tells the rider how the work he/she is doing by turning the cranks is turning into power at the rear wheel.

Power is defined as the "rate of work" and can be calculated as work (force X distance) divided by time OR as the product of force and velocity. This information gives the cyclist a fantastic measure of resultant output... akin to club head speed measure for a golfer or baseball speed for a pitcher. HOWEVER, it tells them nothing about HOW that power was being created.

A zenoLINK 3-D evaluation will measure just how the power is being created. In sports like in golf, there is a complicated sequence of events and coordination that produces club head speed. Cycling is no different... there is a complicated series of coordinated efforts by all the lower body joints, driven by the core which produces crank speed (when this crank speed is multiplied by force which is effected by gearing, power is produced - which is measure by computrainer).

The zenoLINK 3-D evaluation provides information on the coordination of biomechanical input and the magnitude of contribution; the details of the coordinated efforts of the lower body joints and core (ie. Pelvic, hip, knee flexion extension etc.)

 

 
     
     
 
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