Tag: trunk mobility
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Below the Line Where Races Tilt
Underwater dolphin kick = speed lever. Ankles/hip–core coordination and kick frequency are the biggest levers for UUS velocity—train ROM + stiffness + cadence progressions

Underwater dolphin kick = speed lever. Ankles/hip–core coordination and kick frequency are the biggest levers for UUS velocity—train ROM + stiffness + cadence progressions