Final answer:
Interval training is a workout method involving alternating intense exercise with rest periods to improve fitness levels.
Explanation:
Interval training is a series of exercises interspersed with rest periods, involving short periods of vigorous work and longer periods of medium effort, such as alternating sprinting with walking. This method helps improve cardiovascular fitness and endurance.
For example, a common form of interval training is Tabata training, consisting of 20 seconds of intense exercise followed by 10 seconds of rest, repeated for multiple sets.
Interval training is known for its effectiveness in improving both aerobic and anaerobic fitness levels, making it a popular choice in various fitness routines.
Learn more about Interval training here:
https://brainly.com/question/37981767
