Stop on the side of the slope and observe: 90% of the skiers rotate the upper body (shoulder & hips) to turn the skis. This is super inefficient and is major road block to better skiing. PSIA level 3 examiner, Weaven Stevens, explains why girls tend to rotates the hips, and men tend to rotates shoulders in skiing. Leg rotation that is separate from the upper body is key to better skiing.
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