The effect of brief intermittent stair climbing on glycemic control in people with type 2 diabetes: a pilot study

Godkin, F Elizabeth; Jenkins, Elizabeth M.; Little, Jonathan P.; Nazarali, Zafreen; Percival, Michael E.; Gibala, Martin J.

doi:10.1139/apnm-2018-0135

Cited by 21 publications

(17 citation statements)

References 12 publications

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“…A recent pilot study by Godkin et al . () also reported no impact of an acute bout of brief vigorous stair climbing on subsequent 24 h glucose control, assessed by continuous glucose monitoring (CGM), in participants with T2D. These findings are in contrast to previous interval training studies in which the exercise was of longer duration and higher volume (Gillen et al .…”

Section: Introductionmentioning

confidence: 83%

“…It is currently unclear whether brief vigorous exercise of different durations and patterns elicits the same response when performed in the postprandial, as opposed to fasted, state but preliminary reports indicate that brief vigorous stair‐climbing exercise performed in the post‐prandial period can acutely lower glucose in participants with T2D (Godkin et al . ). The potential influence of brief vigorous exercise, and possible modifying factors, on acute glucose regulation is depicted in Fig.…”

Section: Introductionmentioning

confidence: 97%

“…Using a more practical model that involves 60 s bouts of vigorously ascending and slowing descending a stairwell, Godkin and colleagues () found no impact of 18 sessions of training over 6 weeks on CGM‐derived markers of glucose control, fasting glucose, fasting insulin or fructosamine in a small ( n = 6) group of T2D patients. Overall, a limited number of studies examining the impact of brief vigorous exercise on measures of glucose control and insulin sensitivity have produced mixed results.…”

Section: Introductionmentioning

confidence: 99%

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Physiological basis of brief vigorous exercise to improve health

Gibala

Little

2019

The Journal of Physiology

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This review considers the physiological basis of brief vigorous exercise to improve health, with a focus on cardiorespiratory fitness (CRF) and glycaemic control, and the potential underlying mechanisms involved. We defined 'brief' as a protocol lasting ࣘ15 min including warm-up, cool-down and recovery, and involving a total of ࣘ5 min of 'vigorous' exercise, which was classified as meeting or exceeding the lower end of the range for this relative intensity as per the criteria from the American College of Sports Medicine. The physiological mechanisms responsible for the increase in CRF, as measured by maximal oxygen update (V O 2 max ), after brief vigorous exercise are unclear and likely depend on various factors including the specific nature of the intervention as well as the time course of the response. Limited available evidence suggests the potential for an increased oxygen extraction by active muscle (i.e. greater arterio-venous oxygen difference), since an increase inV O 2 max has been reported after several weeks of brief vigorous exercise despite no measurable change in cardiac output. Emerging evidence indicates that brief vigorous exercise can improve glycaemic control, suggesting that this type of exercise could potentially play a role in the prevention and management of type 2 diabetes. The acute Martin Gibala is a professor and chair of the Department of Kinesiology at McMaster University in Hamilton, Canada. He is an integrative physiologist who studies the mechanistic basis of exercise responses in humans, and associated health impacts. His research on the topic of interval training has helped to establish the efficacy of brief, intense exercise to enhance physical fitness in both healthy and diseased states. His knowledge translation efforts include a book for the general public on the science of time-efficient exercise, response is not well characterized but several studies have shown that several weeks of vigorous exercise improves estimates of insulin sensitivity as determined by various methods including by hyperinsulinaemic-euglycaemic clamp. The physiological mechanisms underlying improved CRF and glycaemic control after brief vigorous exercise, and the broader impact on health, remain fruitful areas of investigation.Abstract figure legend Potential for brief vigorous exercise to reduce cardiometabolic disease risk

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Section: Introductionmentioning

confidence: 83%

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

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Physiological basis of brief vigorous exercise to improve health

Gibala

Little

2019

The Journal of Physiology

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“…Of these trials, the one by Bacchi et al (25) had been included in the qualitative synthesis of our 2013 systematic review. We excluded it in the present analysis because the control condition started 24 h after the exercise condition and we could not rule out that the effect of exercise did not persist beyond 24 h. In the study by Godkin et al (30), the effect of a single bout of exercise was compared to control after the first session of exercise and after a session of exercise performed after 6 weeks of exercise training. We only included the effects of the first session of exercise since this was more comparable to the other included studies.…”

Section: Description Of Studiesmentioning

confidence: 99%

Acute and Chronic Effects of Exercise on Continuous Glucose Monitoring Outcomes in Type 2 Diabetes: A Meta-Analysis

et al. 2020

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Objective: To examine the acute and chronic effects of structured exercise on glucose outcomes assessed by continuous glucose monitors in adults with type 2 diabetes. Methods: PubMed, Medline, EMBASE were searched up to January 2020 to identify studies prescribing structured exercise interventions with continuous glucose monitoring outcomes in adults with type 2 diabetes. Randomized controlled trials, crossover trials, and studies with pre-and post-designs were eligible. Short-term studies were defined as having exercise interventions lasting ≤2 weeks. Longer-term studies were defined as >2 weeks. Results: A total of 28 studies were included. Of these, 23 studies were short-term exercise interventions. For all short-term studies, the same participants completed a control condition as well as at least one exercise condition. Compared to the control condition, exercise decreased the primary outcome of mean 24-h glucose concentrations in short-term studies (−0.5 mmol/L, [−0.7, −0.3]; p < 0.001). In longer-term studies, mean 24-h glucose was not significantly reduced compared to control (−0.9 mmol/L [−2.2, 0.3], p = 0.14) but was reduced compared to pre-exercise values (−0.5 mmol/L, [−0.7 to −0.2] p < 0.001). The amount of time spent in hyperglycemia and indices of glycemic variability, but not fasting glucose, also improved following short-term exercise. Among the shorter-term studies, subgroup, and regression analyses suggested that the timing of exercise and sex of participants explained some of the heterogeneity among trials. Conclusion: Both acute and chronic exercise can improve 24-h glucose profiles in adults with type 2 diabetes. The timing of exercise and sex of participants are among the factors that may explain part of the heterogeneity in acute glycemic improvements following exercise.

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“…Although studies have found favorable outcomes in morpho-functional parameters for HIIT training using treadmills and cycle ergometers ~when compared with moderate-intensity exercise [38][39][40][41][42][43] , studies have also shown similarity in aerobic capacity 44,45 , biochemical parameters 46,47 and weight loss 40,48,49 when compared high and moderate-intensity exercises. Hence, the complete details of HIIT training vs. moderate-intensity training remains to be further clarified.…”

Section: Discussionmentioning

confidence: 99%

Energy expenditure and intensity of HIIT bodywork® session

Machado

Reis

Rica

et al. 2020

Motriz: rev. educ. fis.

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Several programs using total body weight exercise methods have been applied in several populations especially using HIIT. The present study assessed the oxygen consumption, heart rate, and energy expenditure of a HIIT body work ® session. Methods: Twelve male participants performed 20 minutes of a HIIT body work, consisting of 20 sets of 30 seconds of stimulation in all-out intensity, followed by 30 seconds of passive recovery. Five cycles were performed for each exercise (jumping jack, burpee, mountain climb, and squat jump). Results: The mean VO2 of the session was 34 ± 7 ml.kg.min-1 (80.35% of the VO2 peak obtained in the session). The energy expenditure of the session was 251±27 kcal (13±1 kcal.min-1) and 39 ± 8 kcal (75±1 kcal.min-1) during the recovery time. The heart rate values were 160±18 bpm (91% of the peak HR of the session) and 125±22 bpm (71%) in recovery. In addition, significant differences (p<0.05) in maximal VO2 were found between jumping jack, mountain climber, burpee and squat jump. Conclusion: Based on the present data, a HIIT bodywork ® session presented energy expenditure as a typical high-intensity exercise profile.

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The effect of brief intermittent stair climbing on glycemic control in people with type 2 diabetes: a pilot study

Cited by 21 publications

References 12 publications

Physiological basis of brief vigorous exercise to improve health

Physiological basis of brief vigorous exercise to improve health

Acute and Chronic Effects of Exercise on Continuous Glucose Monitoring Outcomes in Type 2 Diabetes: A Meta-Analysis

Energy expenditure and intensity of HIIT bodywork® session

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