Pitching is a rotational movement

Published: 07 June 2024
on channel: Tread Athletics
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Pitching is, fundamentally, a rotational movement.⁠

Yes, there is a linear component, but a pitcher must ultimately be able to transfer that into rotation for that energy to efficiently make its way from the ground and into the ball.🔑⁠

How does that energy work its way from the GRF on the back foot into the upper half among the most efficient throwers?⁠

Is it a "car crash" where the back leg violently extends followed by a front leg block that linearly catapults the upper half forwards?⁠

A careful analysis of the hardest throwers reveals that this linear view of the lower half is incomplete.⁠

High velocity throwers are able to convert the linear energy of their forward move into a rotational uncoiling down into the ground.⁠

If you can rotate the pelvis down into landing while still capturing the linear move, it creates a tornado of energy (originating from the center of the body) that unwinds through the pelvis ➡️ torso ➡️ shoulder ➡️ elbow ➡️ wrist ➡️ fingers and ball.🌪️⁠

This is why the vast majority of the hardest throwers don't violently push/triple extend into landing, but instead corkscrew their pelvis (and along with it, the rear knee) down into the ground.⁠
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