The Fin Factor

In general, when I swim with a group, I notice that I usually am at the front on kick sets without fins. When, however, we have sets with fins, I usually fall behind. Why is this? The other day, I was swimming with the high school group and they were begging to do a 10 x 100 kick with fins on 1:10. No way could I make this. When I suggested doing 10 x 100 kick on 1:45 without fins, nobody thought they could make it. In fact, the coach gave a small set of 100s on 1:45 that was without fins and I thought it was pretty easy while the others could barely make it. In any case, why do I stink on fin work when I am a pretty strong kicker without the fins? Is this a bad thing?
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  • I agree with Chris -- if high schoolers can't make a 1:45 kick interval, that is pretty pathetic and they need to work on it. They are probably too lazy to really work a kick set. Very common. Perhaps Q's theory is correct. I feel like my whole leg is recruited when I kick with fins, and it really helps to build leg strength. And personally, I'd rather do lactate work with fins rather than short rest intervals. Though I will occasionally do kick mountains for endurance work. I can kick fast with or without fins. I kick a lot with fins, but then it doesn't bother my ankles or knees in the slightest. I think both are valuable.
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  • I agree with Chris -- if high schoolers can't make a 1:45 kick interval, that is pretty pathetic and they need to work on it. They are probably too lazy to really work a kick set. Very common. Perhaps Q's theory is correct. I feel like my whole leg is recruited when I kick with fins, and it really helps to build leg strength. And personally, I'd rather do lactate work with fins rather than short rest intervals. Though I will occasionally do kick mountains for endurance work. I can kick fast with or without fins. I kick a lot with fins, but then it doesn't bother my ankles or knees in the slightest. I think both are valuable.
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