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A Japanese scientist who did a clinical trial of a 4 minute workout and it's effects on endurance.
He said that 20 second sprints with a 10 second rest for 4 minutes straight (on exercise bikes) increased endurance by 25-30% over 6 weeks.
Man, if i hadn't just read this in my Ross book i'd tell you to google it you cocksmuggler.
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Nogueira Dallas - BJJ, Judo
SMU Judo
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