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Kelsi does a lot of dolphin kick on her stomach, using fins and snorkel to really focus on technique. Her #1 focus is to initiate the kick from the sternum rather than the knees. She presses down with the chest to drive the hips to the surface.

Kelsi tries to keep everything – arms, hips, and fins -- moving just above and just below the surface.

From below the surface you can see how everything drives from the chest. Also notice the stable head, and that Kelsi’s eyes are always just below her elbows.

From under water and head on, notice that Kelsi has a slightly whip-like motion of the feet, with toes coming around and together on each kick.