While performing hundreds of video analysis and mocaps yearly, “early trunk rotation” rears its ugly heads more than 90% of any other disconnect we see. An early trunk puts the upper body in a more compromised position to accept ground reaction force and effectively block with the lead leg while negatively affecting timing issues and transfer of force up the chain. It can also contribute to a late arm or an arm that “drags”. All this, of course, can ultimately lead to losses in pitching velocity. The key is finding what is causing this early rotation, training it and putting the arm in its “sweet spot”. Continue reading “Early Trunk Rotation and Losses in Pitching Velocity”
