The Study
High-intensity interval training improves insulin sensitivity in individuals with prediabetes.
This study gave different exercise plans to people with prediabetes and saw how their bodies responded. It shows that HIIT helped their bodies use sugar better, but it doesn't prove it's the only way or that it works for everyone.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
People with prediabetes tried either doing short, intense bike sprints, walking a lot, both, or nothing for 12 weeks to see how their blood sugar control changed.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 562 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes — a 42% improvement in whole-body insulin sensitivity is a big deal, meaning the body uses insulin much better to lower blood sugar, which can prevent type 2 diabetes.
- 2Short sprints (3x/week) improved blood sugar control at the muscle level by 18.5%.
- 3Walking over 10,000 steps a day improved overall blood sugar control by 42.3%.
- 4Doing both helped too, but walking alone didn't help muscle-level control.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
European journal of endocrinology
Year
2025
Authors
P. Mensberg, Clarissa Frandsen, Christian S. Carl, Emilie Espersen, Thomas Leineweber, E. L. Larsen, Heidi Storgaard, Kirstine Schlawitz, Torben H D Petersen, Jytte N Poulsen, Frederik Sørensen, Peter M Gørtz, J. Forman, Bente Kiens, Filip K Knop, T. Vilsbøll
Related Content
Claims (4)
In sedentary adults with prediabetes, a specific form of short, intense exercise performed three times per week for twelve weeks increases the body's ability to respond to insulin in muscle and fat tissue, improving glucose control.
Engaging in consistent physical activity is associated with better control of blood glucose levels in individuals who have a high risk of developing prediabetes.
In sedentary adults with prediabetes, walking more than 10,000 steps daily for 12 weeks leads to a 42.3% improvement in how effectively the body uses insulin to regulate blood sugar, without altering levels of mitochondrial proteins in skeletal muscle.
In people with prediabetes, combining short bursts of intense exercise with walking leads to higher levels of specific muscle proteins involved in energy production and sugar uptake compared to doing either type of exercise by itself.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.