Key result
A single 11-minute bodyweight exercise session fails to alter 24-hour mean glucose versus sitting control.
Why the study?
Vigorous intermittent exercise can improve 24-hour postexercise glycemic indices in healthy individuals, but the effect of a single session of bodyweight exercise on glycemic responses under controlled dietary conditions remained to be examined.
Does a single 11-minute session of bodyweight exercise improve 24-hour glycemic responses in healthy inactive adults?
RCT (n=27)
Open-label
Simple randomization using random number generation
No
Does a single 11-minute session of bodyweight exercise improve 24-hour glycemic responses in healthy inactive adults?
A single 11-minute session of vigorous bodyweight exercise does not significantly alter 24-hour mean glucose or glycemic variability in healthy, inactive young adults.
Vigorous intermittent exercise can improve indices of glycemia in the 24 h postexercise period in apparently healthy individuals. We examined the effect of a single session of bodyweight exercise (BWE) on glycemic responses using continuous glucose monitoring (CGM) under controlled dietary conditions. Healthy inactive adults (n = 27; 8 males, 19 females; age: 23 ± 3 years) completed 2 virtually supervised trials spaced ~ 1 week apart in a randomized, crossover manner. The trials involved an 11-min BWE protocol that consisted of 5 × 1-min bouts performed at a self-selected pace interspersed with 1-min active recovery periods or a non-exercise sitting control period (CON). Mean heart rate during the BWE protocol was 147 ± 14 beats per min (75% of age-predicted maximum). Mean 24 h glucose after BWE and CON was not different (5.0 ± 0.4 vs 5.0 ± 0.5 mM respectively; p = 0.39). There were also no differences between conditions for measures of glycemic variability or the postprandial glucose responses after ingestion of a 75 g glucose drink or lunch, dinner, and breakfast meals. This study demonstrates the feasibility of conducting a remotely supervised BWE intervention using CGM under free-living conditions. Future studies should investigate the effect of repeated sessions of BWE training or responses in people with impaired glycemic control.
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Babir et al. (2023) conducted an RCT in Healthy inactive adults (n=27). Bodyweight exercise (BWE) vs. Non-exercise sitting control period (CON) was evaluated on 24-h mean glucose (dz = 0.06, p=0.39). A single 11-minute session of bodyweight exercise did not alter 24-hour mean glucose concentrations compared to a sitting control in healthy inactive adults (5.0 vs 5.0 mM, p=0.39).
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