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Old 09-29-2016
Danny Danny is offline
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Join Date: Oct 2009
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Danny
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ZT, I think that this all comes down to the limitations of our shoulder joint. The upper part of the S in freestyle can be smaller because we are rotating at the same time as we are tracing out this part of the S. It you were to do this in fly, without rotating, you would see butterflyers' elbows moving toward the centerline at the top of their stroke. Instead the butterflyer's elbow moves away from the centerline at the top of the stroke. I suppose we could try to invent a new stroke in which the elbows move toward the centerline at the top of the stroke, but then the two hands would start to interfere with each other in the latter part of the stroke, because both are stroking at the same time. So this is my explanation for the differences. Try this in the pool and see what you think :o)
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