During anaerobic exercise, oxygen is not used as a source of energy. Power, strength, and muscular mass are all things that may be gained via the utilization of this form of exercise.
The duration of these exercises should not exceed around two minutes before moving on to a brief period of rest. These workouts are of a high intensity. Exercises that are anaerobic include:
Any form of rapid bursts of intense activity, including but not limited to weightlifting, running, intensive and fast skipping with a rope, interval training, and isometrics