Randomized Trialmoderate evidence
Acute metabolic and molecular responses to sprint interval versus moderate-intensity continuous exercise in healthy young men.
American journal of physiology. Endocrinology and metabolism·May 1, 2026·PMID 41830465
Why it mattersThis paper suggests that exercise intensity can drive rapid insulin-sensitizing effects more strongly than longer-duration moderate exercise, at least acutely in healthy men. For clinicians counseling on time-efficient metabolic exercise strategies, it supports HIIT/SIT as a potent option when appropriate.
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