Questions about Butterfly

Former Member
Former Member
I just learned from Wikipedia that competitive butterfly swimming requires less energy than breaststroke . Is that right? I feel reaststroke requires much less energy than butterfly. At least when I am tired, I can still swim breaststroke, but there is no way I can swim butterfly. Now I can only swim butterfly for 50 yards. At the beginning of the swim I feel everything is quite right. But after 25 yards I rely so much on the second kick to bring my arms over the water. Yes I am tired. If you ask me which part of my body is the most tired, I can't tell.
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