The device could record the time sitting, walking and measured 10 minute bouts of exercise they claim to be moderate to vigorous. (liftingrevolution.com)
They were instructed to repeat this motion for three 1 - minute bouts with 30 seconds of rest between each minute. (journals.lww.com)
The research was specifically designed to show how a single 30 - minute bout of surfing affects males and females between 18 and 58 years of age. (ahealthblog.com)