Anaerobic exercise primarily focuses on growing muscle size (hypertrophy) and increasing muscle strength.
This type of exercise is characterized by short bursts of high-intensity activity that require a large amount of energy in a short amount of time, typically lasting no more than a few minutes. Examples of anaerobic exercises include weight lifting, sprinting, and high-intensity interval training (HIIT). By engaging in these types of exercises, the body is forced to use stored energy sources such as ATP and creatine phosphate, which results in an increase in muscle mass and strength. Additionally, anaerobic exercise can also improve overall athletic performance and increase endurance by improving the body's ability to tolerate and recover from high-intensity activity.