Meta-Analysishigh evidence
Optimising Exercise Prescription: A Meta-Analysis Examining the Dose Response of Exercise Duration on Cardiorespiratory Fitness Following HIIT and MICT.
Sports medicine (Auckland, N.Z.)·September 12, 2026·PMID 42730846
Why it mattersOptimizing exercise prescription is central to performance and longevity practice. This analysis quantifies the time-efficiency advantage of HIIT for cardiorespiratory fitness, providing evidence-based guidance on minimal effective session durations.

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