Combining supervised run interval training or moderate-intensity continuous training with the diabetes prevention
Nicole M Gilbertson1, Joan A Mandelson2, Kathryn Hilovsky1
1Department of Kinesiology, James Madison University, 261 Bluestone Drive MSC 2302, Harrisonburg, VA, 22807, USA.
European Journal of Applied Physiology
|April 14, 2019
Summary
Moderate-intensity continuous training (MICT) showed better adherence and body composition improvements than high-intensity interval training (INT) in adults with prediabetes. Both exercise types effectively lowered glucose and HbA1c levels.
Area of Science:
- Exercise Physiology
- Metabolic Health
- Diabetes Prevention
Background:
- Prediabetes is a growing public health concern, increasing the risk of type 2 diabetes (T2D).
- Lifestyle interventions, including exercise, are crucial for managing prediabetes and preventing T2D progression.
- Different exercise modalities may yield varying effects on metabolic health and adherence.
Purpose of the Study:
- To compare the effects of a 16-week diabetes prevention program (DPP) combined with either instructed run sprint interval training (INT) or moderate-intensity continuous training (MICT) in sedentary adults with prediabetes.
- To evaluate the impact of these combined interventions on glycemic control, body composition, fitness, exercise adherence, and perceived exercise enjoyment.
Main Methods:
- Participants with prediabetes were randomized into two groups: INT or MICT.
- Both groups engaged in three supervised exercise sessions per week for 16 weeks, alongside a DPP.
- Assessments of fitness, clinical markers (glycemic control, body composition), and questionnaires were conducted at baseline, 8 weeks, and 16 weeks.
Main Results:
- The MICT group demonstrated significantly better adherence and greater reductions in body weight, BMI, and body fat mass compared to the INT group.
- Both INT and MICT interventions led to significant reductions in fasting glucose and HbA1c levels.
- While perceived exercise enjoyment did not differ significantly between groups overall, the MICT group showed significant improvement from baseline.
Conclusions:
- Sixteen weeks of MICT combined with a DPP resulted in superior improvements in body composition and better adherence compared to INT in adults with prediabetes.
- Both MICT and INT interventions were effective in improving glycemic control (fasting glucose and HbA1c).
- Either MICT or INT, when combined with a DPP, may serve as effective strategies for T2D prevention in adults with prediabetes.
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