High-Intensity Interval Training, or Hiit, is a popular workout that involves short bursts of intense exercise alternated with periods of rest or low-intensity exercise. HIIT has been shown to improve cardiovascular fitness, increase metabolism, and burn calories in a shorter amount of time compared to steady-state exercise. Here's the science behind how HIIT works:
Increased Oxygen Consumption: HIIT exercises require a lot of oxygen, which increases the body's oxygen consumption during and after the workout. This results in a higher calorie burn and improved cardiovascular fitness.
Increased Fat Burn: HIIT has been shown to increase the body's ability to burn fat for energy, resulting in a higher fat burn during and after the workout.
Improved Metabolic Rate: HIIT can improve metabolic rate by increasing the production of human growth hormone (HGH) and other chemicals that promote fat loss and muscle growth.
Improved Insulin Sensitivity: HIIT can Improve Insulin Sensitivity, which is important for maintaining healthy blood sugar levels and reducing the risk of diabetes.
Increased Muscle Mass: HIIT can increase muscle mass and strength, which can lead to improved overall physical performance and body composition.
To incorporate HIIT into your fitness routine, start with short intervals of high-intensity exercise, such as sprints or burpees, followed by a brief period of rest or low-intensity exercise. Gradually increase the intensity and duration of the intervals as you become more comfortable with the workout.
High-Intensity Interval Training (HIIT) is a science-backed workout that can boost cardiovascular fitness, increase metabolism, burn calories, and improve insulin sensitivity. HIIT workouts involve short bursts of intense exercise alternated with periods of rest or low-intensity exercise. By incorporating HIIT into your fitness routine, you can achieve your fitness goals more efficiently and effectively than with steady-state exercise.