Ground reaction force (GRF) is the force exerted by the ground on a body in contact with it, equal and opposite to the force applied by the body. This fundamental principle of Newton's third law illustrates how GRF plays a critical role in activities like jumping and landing, where the forces generated by an athlete's movement must be countered by equal forces from the ground. Understanding GRF is also essential for analyzing center of mass dynamics and utilizing advanced pressure mapping technologies for detailed force distribution insights.
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