Re: Tip of the Week: Cardiovascular System and Fat Burning
^^ What he said.
And although the hams do most of the concentric work while sprinting the Quads do a lot of eccentric work so they get hit hard too [img]/forum/images/graemlins/wink.gif[/img]
I would not recommend replacing a leg workout with sprints but they are a great way to increase the frequency of lower body work. Sprinting has been one of the few methods that work to bring my calves up to par, i have seen huge changes in them since i started sprinting.
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