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10-120 seconds

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  • How long does it take for energy to kick in?

  • After about 90 seconds of continuous physical exertion this energy system will kick in. The other energy systems ( ATP-PC and Glycolysis) provide energy for shorter duration and higher intensity exercise.

  • What is the oxidative energy system?

  • What is the Oxidative Energy System? The oxidative energy system is the primary source of ATP at rest and during low intensity exercise. Fats and carbs are the primary substrates that are used . After about 90 seconds of continuous physical exertion this energy system will kick in.

  • What is the anaerobic energy system?

  • What Is the Anaerobic Energy System? The anaerobic energy system, also called the lactic acid system, is the body鈥檚 way of creating energy in the form of ATP quickly. Primarily using glucose as fuel, this energy system powers the muscles anywhere from ten to thirty seconds for intense efforts.

  • What are the other energy systems used in exercise?

  • The other energy systems ( ATP-PC and Glycolysis) provide energy for shorter duration and higher intensity exercise. If you are running, swimming, biking, or walking long distances you will be using this energy system. Adam is an athlete with a serious passion for fitness and health.

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