JJsqueeze
Dad, Husband....legend
Amanda does it flawlessly
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Java,
If I am reading that content correctly, you are saying that the throwing side hip coming through from open to about 45 degrees closed, is passive and a result of the landing energy just transferring through the body. Is that a correct read?
No... it's anything but passive. It's a very active response to 3x the body weight. What I was saying is that rotary inertia... as well as sagittal/lateral... is a booger to control. The hips going from openish (I really prefer 60ish) to 45 are simply adjusting to the alignment/resistance the body creates on collision... with the objects receiving the collision. Opposing angles (say... hips vs. stride foot) will create torque in the joints that facilitates this 'realignment'...
I don't know if I'd say Amanda is a shining example of resisting rotary inertia, though... she's pretty rotational into release.... looks like her torso is realigning to the ground force angle she sets with her stride foot.
I guess it could be just the hips making sure they are at an angle such that the impending collision will rotate them closed (if they were perfectly open then the pitcher would bend over sideways at collision), but I think it is more active than that, I think it is an active CONSTANT pulling of the arm via the hip from the open to the close that whips the arm into the collision via an application of force on the arm circle that creates centripetal acceleration prior to full foot plant and prior to adduction and I/R (nowthat is a run on sentence).
Geesh... and they say I'm long-winded...