High-intensity interval training (HIIT) workouts feature repeated short bursts of intense activity that alternate between periods of maximum effort and low-intensity exercise or rest.
High-intensity interval training (HIIT) workouts feature repeated short bursts of intense activity that alternate between periods of maximum effort and low-intensity exercise or rest. As lack of time can be an obstacle when trying to develop an exercise routine, HIIT workouts can help people stay more engaged and support fitness goals with less of a time commitment, according to research.