A recent RCT in the American Journal of Physiology compared a single session of sprint intervals (7 x 30-second sprints) with 60 minutes of moderate pedalling – and the sprint format, despite requiring 6 times less effort, provided a greater and longer-lasting increase in insulin sensitivity. I'll break down what this means in practice. Insulin sensitivity – and why it's a critical metric for us...
A recent cross-over RCT in the American Journal of Physiology compared a single session of sprint intervals with an hour of moderate cardio in the same men. The sprinters performed six times less mechanical work – and achieved a greater and longer-lasting increase in insulin sensitivity. I’ll break down what this means in practice, the limits of this finding, and when an hour is still not excessive….
Exercise snacks instead of an hour at the gym: where it works and where it doesn’t. A new meta-analysis of 11 RCTs in the British Journal of Sports Medicine has shown that 5-minute bursts of work several times a day significantly improve cardio in the physically inactive. But the list of promises for exercise snacks is longer than the actual evidence. What are exercise snacks according to this study? The trend for “exercise…
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