Activities per year
We compared cardiometabolic demand and post-exercise enjoyment between continuous walking (CW) and time- and intensity-matched interval walking (IW) in insufficiently active adults. Sixteen individuals (13 females and three males, age 25.3 ± 11.1 years) completed one CW and one IW session lasting 30 min in a randomised counterbalanced design. For CW, participants walked at a mean intensity of 65-70% predicted maximum heart rate (HRmax). For IW, participants alternated between 3 min at 80% HRmax and 2 min at 50% HRmax. Expired gas was measured throughout each protocol. Participants rated post-exercise enjoyment following each protocol. Mean HR and V̇O2 showed small positive differences in IW vs. CW (2, 95%CL 0, 4 beat.min-1; d = 0.23, 95%CL 0.06, 0.41 and 1.4, 95%CL 1.2 ml.kg-1.min-1, d = 0.36, 95%CL 0.05, 0.65, respectively). There was a medium positive difference in overall kcal expenditure in IW vs. CW (25, 95%CL 7 kcal, d = 0.58, 95%CL 0.33, 0.82). Post-exercise enjoyment was moderately greater following IW vs. CW (9.1, 95%CL 1.4, 16.8 AU, d = 0.62, 95%CL 0.06, 0.90), with 75% of participants reporting IW as more enjoyable. Interval walking elicits meaningfully greater energy expenditure and is more enjoyable than CW in insufficiently active, healthy adults.
- energy expenditure
- affective responses
- physical activity
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- 1 Oral presentation
The effect of continuous walking versus time- and intensity-matched high-intensity interval walking on metabolic responses and post-exercise enjoyment
Kate Francis (Contributor) & Shaun Phillips (Contributor)17 Apr 2019
Activity: Academic talk or presentation types › Oral presentation