Ground Reaction Forces

Ground Reaction Forces (GRFs) are the forces exerted by the ground on your body when you stand, walk, or run. When you apply pressure to the ground, such as with each step, the ground pushes back with an equal and opposite force. This interaction helps propel you forward, maintain balance, and absorb shock. GRFs are essential in analyzing movement and are influenced by factors like your body weight, gait, and surface type. Understanding GRFs can help improve athletic performance and prevent injuries by optimizing how forces are absorbed and transmitted during motion.