high-intensity interval training

[ hahy-in-ten-si-tee in-ter-vuhl trey-ning ]

noun

1. a type of interval training for physical conditioning and fitness that uses short bursts of very intense exertion, alternating with short periods of rest or lighter exertion, to exploit the body’s systems for generating anaerobic energy. HIIT, H.I.I.T.

Word History and Origins

Origin of high-intensity interval training¹

First recorded in 1975–80

Example Sentences

She also leads a program she created that involves nutrition, health and wellness education, running, and high-intensity interval training.

From Slate

Some other terms added have been referenced and used over the years, like the turf toe, cheat code, girl dad and high-intensity interval training.

From Seattle Times

In Lumin Fitness' darkened studio space in Dallas, Texas, LED screens line the walls from where AI personal trainers guide up to 14 gym goers at a time through personalised workouts or high-intensity interval training.

From BBC

I do yoga, I do high-intensity interval training, I do circuits.

From Los Angeles Times

Although you don’t really need to reach for a Twizzler to get through a yin yoga class, candy can help boost performance during intense workouts, like high-intensity interval training or endurance exercise that lasts for more than 45 minutes at a sustained, moderately difficult pace, Trotta says.

From Slate