Split squat with the front foot elevated on a 6" step, holding the deep bottom position (full hamstring to calf) for time, back knee bent and relaxed.
Base
100
+ Video bonus
+30
Submission
time
Elevating the front foot lets you drop into much deeper knee and ankle flexion than a normal split squat. This trains the deepest position your ankle and knee hit in a ski boot, absorbing a hard compression or holding a low tuck. Weak capacity in that deep range is a big reason skiers get pushed backseat when terrain gets steep or bumpy, they physically can't flex forward enough to stay stacked.
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