- Oct 26, 2019
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I would tend to agree with you, but I would add that the only UN-natural thing about overhand throwing is the mound. If you took the mound away, which adds a lot more stress to the equation, you would see overhand throwing a little more in line with underhand in terms of stress.Sure.
But the reason why softball pitchers can safely throw 500-600 or more pitches a weekend and baseball pitchers are limited to ~100 is because windmill throwing aligns with our natural shoulder rotation and elbow hinge, whereas overhand throwing is a more force-filled, explosive action.
It’s kinda like jogging vs sprinting.
We can do both, but we can sustain jogging for a much longer period of time and without injury. (Because we have springy tendons and ligaments in our legs (which apes lack ), narrow waists (), a great sense of balance, large glutes, and the ability to store 20 miles worth of glycogen in our muscles.)