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high-intensity interval training

American  
[hahy-in-ten-si-tee in-ter-vuhl trey-ning] / ˈhaɪ ɪnˌtɛn sɪ ti ˈɪn tər vəl ˌtreɪ nɪŋ /

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.


Etymology

Origin of high-intensity interval training

First recorded in 1975–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

His longtime business, Bootcamp H20 — fitness classes for adults held at private and public pools around L.A. — blended high-intensity interval training, circuit training, aerobics, plyometrics, strength training and endurance training.

From Los Angeles Times

In addition to a high-end gym which includes exercise machines that use pressure instead of weights to help build strength, the building has a saltwater lap pool and offers classes ranging from Pilates to high-intensity interval training.

From Barron's

In addition to a high-end gym which includes exercise machines that use pressure instead of weights to help build strength, the building has a saltwater lap pool and offers classes ranging from Pilates to high-intensity interval training.

From Barron's

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