John Evans | Expert Vertical Jump Coach on Instagram: "One of the largest KPIs in triple jump is maintenance of posture despite MASSIVELY intense ground contacts. The GRF does not pass directly through the COM during these contacts, meaning a torque is going to be exerted on the body. And triple jumpers are faced with forces exceeding 10-20x depending on the phase, so counteracting these large external forces to maintain posture is largely going to be a huge determinant of performance Failure to

Triple Salchow Secrets: Ice Skating Coach Reveals the Trick 🤫