Cumulative vigorous physical activity reduces mortality risk, but very short high-intensity exercises (less than one minute) are not sufficiently conclusive to modify an established routine.

noli's read

Peter Attia highlights here the distinction between total volume of intense activity and 'micro-workout' formats. Research broadly confirms that vigorous physical activity (VPA) is correlated with a significant reduction in all-cause mortality (observational study, Stamatakis et al., JAMA Internal Medicine). It is accurate that, although 'VILPA' (Very Vigorous Intensity Lifestyle Physical Activity) shows promising benefits for cardiovascular health, the data are not yet as robust as those concerning structured training in high heart rate zones (meta-analysis, Nature Medicine). Attia adopts a cautious position: he acknowledges the efficacy of movement, but remains skeptical of the idea that efforts of a few seconds can completely replace the metabolic benefits of a longer, structured session. What holds true is the link between intensity and longevity. What is debated is the precise equivalence between these short formats and classic exercise. It is not an absence of evidence, but rather a difference in the level of evidence depending on the structure of the effort.

the sources

1. 1Stamatakis E et al. 2022
2. 2Stamatakis E et al. 2023
3. 3Milanović Z, Sporiš G, Weston M 2015