The Six Phases of a Throw — and Exactly Where Each Injury Comes From
A baseball pitch takes about two seconds from first movement to release. The part that actually damages arms lasts a fraction of that. Your arm survives this because the load is shared — across ligament, muscle, timing, and the energy delivered up from your legs and trunk. Injuries happen when that sharing breaks down. This article walks through the throw phase by phase. For each one: what’s happening, what’s under stress, and which symptom points back to it.