Combining supervised run interval training or moderate-intensity continuous training with the diabetes prevention program on clinical outcomes

Nicole M. Gilbertson, Joan A. Mandelson, Kathryn Hilovsky, Jeremy D. Akers, Trent A. Hargens, David L. Wenos, Elizabeth S. Edwards

Research output: Contribution to journalArticle

Abstract

Purpose: The present study was designed to evaluate the 16 weeks diabetes prevention program (DPP) combined with instructed run sprint interval training (INT) or moderate-intensity continuous training (MICT) on glycemic control, body composition, fitness, exercise adherence, and perceived exercise enjoyment in sedentary, adults with prediabetes. Methods: Participants completed three weekly supervised sessions of INT (4–10 bouts of 30 s maximal sprints followed by a 4 min active recovery) or MICT (30–60 min at 45–55% HRR) exercise coupled with the DPP for 16 weeks. At baseline, 8 and 16 weeks, participants completed fitness and clinical assessments as well as questionnaires to assess group and time differences. Results: Twenty-nine study participants (INT n = 17, MICT n = 12) were randomized, however, significantly (p = 0.024) more participants withdrew from the INT (n = 11) than MICT (n = 4) treatment. There was no significant difference between groups in perceived exercise enjoyment, but, the MICT group significantly improved their perceived exercise enjoyment (10.8 ± 14.2; p = 0.021) from baseline to 16 weeks. Both INT and MICT groups decreased their body weight (2.0 ± 0.8 vs. − 5.5 ± 1.4 kg; p < 0.001), BMI (− 0.6 ± 0.3 vs. − 2.1 ± 0.5 kg/m2; p < 0.001), body fat mass (1.4 ± 0.6 vs. − 4.2 ± 1.0 kg; p < 0.001), fasting glucose (− 0.09 ± 0.01 vs. − 0.18 ± 0.02 mmol/L; p = 0.020), and HbA1c (− 0.21 ± 0.09 vs. − 0.12 ± 0.12%; p = 0.001), respectively, however, the MICT had greater reductions (GxT: p ≤ 0.05) in body weight, BMI, and body fat than the INT group. Conclusion: Sixteen weeks of MICT is adhered to better and elicits greater improvements in body composition than INT. Nevertheless, both interventions similarly reduced fasting glucose and HbA1c in adults with prediabetes, suggesting either treatment could be effective for T2D prevention.

Original languageEnglish (US)
Pages (from-to)1503-1512
Number of pages10
JournalEuropean Journal of Applied Physiology
Volume119
Issue number7
DOIs
StatePublished - Jul 1 2019

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Public Health, Environmental and Occupational Health
  • Physiology (medical)

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