Anaerobic exercise

• 

  Small group fitness sessions

• 

  Exercise zones by Fox and Haskell

• 

  Anaerobic exercise

Anaerobic Exercise

Anaerobic exercise refers to a category of physical activity that involves short bursts of high-intensity effort where the demand for oxygen exceeds the oxygen supply. This type of exercise relies on energy sources that are stored in the muscles and, unlike aerobic exercise, does not rely on the cardiovascular system to deliver oxygen to the muscles.

Physiology

Anaerobic exercise primarily uses the adenosine triphosphate (ATP) and creatine phosphate systems for energy. These systems provide energy quickly but are limited in duration. The glycolytic pathway is also involved, where glucose is broken down to produce ATP, resulting in the production of lactic acid. This accumulation of lactic acid is often associated with the "burn" felt during intense exercise.

Types of Anaerobic Exercise

Anaerobic exercises include activities such as:

• Weightlifting
• Sprinting
• High-intensity interval training (HIIT)
• Plyometrics
• Isometric exercise

These activities are characterized by short duration and high intensity, typically lasting from a few seconds to about two minutes.

Benefits

Anaerobic exercise offers several benefits, including:

• Increased muscle mass and strength
• Improved metabolic rate
• Enhanced bone density
• Better insulin sensitivity
• Increased anaerobic threshold

Considerations

Anaerobic exercise is demanding on the body and requires proper technique to prevent injury. It is important to include adequate warm-up and cool-down periods, and to ensure proper nutrition and hydration.

Related Pages

• Aerobic exercise
• Exercise physiology
• Muscle hypertrophy
• Lactic acid
• Metabolism