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PUBLIC MARKS from Jaks with tags exercise & "fitness training"

18 June 2008 17:30

Fitness Interval Training Basics

An alternative way to work out, that was originally developed for professional athletes, is known as fitness interval training and consists, in simple terms, of intense exercise periods followed by periods of low intensity or rest.

interval training fitness training exercise fitness

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PUBLIC MARKS from Jaks with tags exercise & "fitness training"

18 June 2008 17:30

Fitness Interval Training Basics

Jaks's TAGS related to tag exercise