Tag

HIIT

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A person in a white T-shirt with a towel over one shoulder, breathing hard while gripping the handles of a gym machine.

Sprint intervals changed 714 blood proteins in 19 young men, against 7 after a 90-minute ride

Oct 1, 2026

A man sprinting forward from a crouch on a blue running track.

HIIT sessions of about 11 minutes delivered most of the fitness gain in 69 trials

Sep 29, 2026

A woman in a red coat climbing an outdoor staircase, seen from behind

Four one-minute bursts a day were doable for 12 weeks, but only sit-to-stand improved in 69 adults

Sep 21, 2026

Someone running through an agility ladder on outdoor turf beside an exercise ball

Intervals ranked best for belly fat, but more was not better

Aug 4, 2026