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J Diabetes Res. 2015;2015:191595. doi: 10.1155/2015/191595. Epub 2015 Mar 30.

High-intensity interval training as an efficacious alternative to moderate-intensity continuous training for adults with prediabetes.

Author information

1
School of Health and Exercise Sciences, University of British Columbia, Okanagan Campus, 3333 University Way, Kelowna, BC, Canada V1V 1V7.
2
School of Kinesiology, University of British Columbia, 210-6081 University Boulevard, Vancouver, BC, Canada V6T 1Z1.

Abstract

AIMS:

High-intensity interval training (HIIT) leads to improvements in various markers of cardiometabolic health but adherence to HIIT following a supervised laboratory intervention has yet to be tested. We compared self-report and objective measures of physical activity after one month of independent exercise in individuals with prediabetes who were randomized to HIIT (n = 15) or traditional moderate-intensity continuous training (MICT, n = 17).

METHOD:

After completing 10 sessions of supervised training participants were asked to perform HIIT or MICT three times per week for four weeks.

RESULTS:

Individuals in HIIT (89 ± 11%) adhered to their prescribed protocol to a greater extent than individuals in MICT (71 ± 31%) as determined by training logs completed over one-month follow-up (P = 0.05, Cohen's d = 0.75). Minutes spent in vigorous physical activity per week measured by accelerometer were higher in HIIT (24 ± 18) as compared to MICT (11 ± 10) at one-month follow-up (P = 0.049, Cohen's d = 0.92). Cardiorespiratory fitness and systolic blood pressure assessed at one-month follow-up were equally improved (P's < 0.05).

CONCLUSIONS:

This study provides preliminary evidence that individuals with prediabetes can adhere to HIIT over the short-term and do so at a level that is greater than MICT.

PMID:
25918728
PMCID:
PMC4396724
DOI:
10.1155/2015/191595
[Indexed for MEDLINE]
Free PMC Article

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