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Old 08-13-2018
CoachBobM CoachBobM is offline
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CoachBobM
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Actually, his core body movements are being driven by both his arms and his legs, and it's impossible for anyone to say what percentage is arms and what percentage is legs. That's why a drill like vertical kicking is so useful: By having the arms do nothing, swimmers can insure that their core body movements are being driven entirely by their kick.


Bob
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