HIIT

How it is used

Pronounced like hit. Gyms run HIIT classes, apps offer HIIT workouts, and coaches use it to build fitness in less time. A common format is 30 seconds hard and 30 seconds easy, repeated several times.

Example sentences

1. The lunchtime HIIT class is only 25 minutes long.

2. We replaced one long run with a HIIT session on the bike.

Common collocations

• HIIT class
• HIIT workout
• HIIT session
• do HIIT

Related terms

• cardioShort for cardiovascular exercise: activities like running, cycling or rowing that keep your heart rate raised for a sustained period.
• circuit trainingA workout in which you move quickly from one exercise or station to the next with little rest, usually repeating the whole series several times.
• anaerobicDescribes short, very intense exercise in which the body produces energy mainly without oxygen, such as sprinting or heavy lifting.
• heart rateThe number of times your heart beats per minute (bpm), used to measure how hard the body is working during exercise and at rest.

More terms: Training & Workouts

• workout
• work out
• warm-up
• cool-down
• rep
• set
• strength training
• rest day
• progressive overload
• plateau
• training program
• hit the gym