In about 6 seconds, an athlete converts horizontal sprint speed into vertical lift using a flexible pole, precise body mechanics, and split-second timing. Here’s what’s actually happening biomechanically: 1. Sprint Mechanics (Energy Generation) Elite vaulters approach the runway at ~9–10 m/s. The kinetic energy generated during the sprint is the primary energy source for the vault. Every small loss of speed directly reduces potential vault height. 2. Pole Plant & Energy Transfer At takeoff, the athlete plants the pole into the box while jumping off the ground. The pole begins to bend, temporarily storing elastic energy. This moment requires coordinated force from the takeoff leg, shoulders, and core while maintaining forward momentum. 3. Elastic Energy Storage The pole behaves like a giant spring. As it bends, kinetic energy from the run is converted into elastic potential energy within the fiberglass or carbon composite pole. 4. Inversion Mechanics As the pole recoils, the vaulte...