I'm a speed-event skier, competing in downhill and super G. We put the skis on such a high edge, so early in the turn, that we create enormous pressures on our bodies. You can't rely solely on muscle power to withstand these forces-you have to align your bones.
We ski from the edges up, using gravity and centrifugal forces to generate speed, and we adjust the skeleton as we go.
Here's a full-body analysis:
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