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Do stair climbing exercise "snacks" improve cardiorespiratory fitness?
E Madison Jenkins1, Leah N Nairn1, Lauren E Skelly1
1a Department of Kinesiology, McMaster University, Hamilton, ON L8S 4K1, Canada.
Abstract:
We investigated the effect of stair climbing exercise "snacks" on peak oxygen uptake. Sedentary young adults were randomly assigned to perform 3 bouts/day of vigorously ascending a 3-flight stairwell (60 steps), separated by 1-4 h of recovery, 3 days/week for 6 weeks, or a nontraining control group (n = 12 each). Peak oxygen uptake was higher in the climbers after the intervention (P = 0.003), suggesting that stair climbing "snacks" are effective in improving cardiorespiratory fitness, although the absolute increase was modest.