| I dont think so. You can't really sprint at full speed for a minute. Thats like running full speed up and down a football field 4 times. And if my heartrate is up at max sprinting for 20 seconds, why should i go another 40? If you're really sprinting you wont last sprinting a whole minute every other minute.
Last edited by staind; Nov. 06/06 at 02:15 PM.
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