Quote:
Originally Posted by Baby Lee
This is all well and good, but the two things it neglects.
1. The aforementioned effect of striking the ground, which is a much more immovable object than an opposing player.
2. How close the respective ∆ts are to the critical value for skull deceleration. If both are well above, it's not much of a difference.
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1) In the vast majority of tackles, striking the ground is going to happen at a speed that is much closer to gravitational acceleration. Their velocity on the y axis will be significantly slower, given that they aren't falling much of a distance at all.
2) Yes, if they are both well above it wouldn't matter much. But if they were, you would have players getting concussed on essentially every play, and even advocates of epidemic CTE acknowledge that this does not happen.