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Why forcing A "vertical shin" can do more harm than good 🤔 Performance Coach matt marsili describes how holding the knee back might have looked good on camera, but it wasn't helping, which was a realization that allowed him to ultimately throw 98 mph at 5'11"💪 #TreadFam
27,149 Aufrufe • vor 2 Jahren •via X (Twitter)
1 Kommentare

Justin Clarkvor 2 Jahren
@MattMarsili At 7 seconds you can see his knees are extremely ER. Especially his back knee at least. Physics is just working against you if you're trying to apply force on the mound to push off from there. Upping the tempo immediately once that hips loaded does seem like better route.

