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  2. Bioenergetic systems - Wikipedia

    en.wikipedia.org/wiki/Bioenergetic_systems

    Anaerobic system – This system predominates in supplying energy for intense exercise lasting less than two minutes. It is also known as the glycolytic system. An example of an activity of the intensity and duration that this system works under would be a 400 m sprint. Aerobic system – This is the long-duration energy system.

  3. Anaerobic exercise - Wikipedia

    en.wikipedia.org/wiki/Anaerobic_exercise

    Anaerobic metabolism is a natural part of metabolic energy expenditure. [6] Fast twitch muscles (as compared to slow twitch muscles) operate using anaerobic metabolic systems, such that any use of fast twitch muscle fibers leads to increased anaerobic energy expenditure. Intense exercise lasting upwards of four minutes (e.g. a mile race) may ...

  4. Anaerobic glycolysis - Wikipedia

    en.wikipedia.org/wiki/Anaerobic_glycolysis

    [1] providing energy for a period ranging from 10 seconds to 2 minutes. During this time it can augment the energy produced by aerobic metabolism but is limited by the buildup of lactate. Rest eventually becomes necessary. [2] The anaerobic glycolysis (lactic acid) system is dominant from about 10–30 seconds during a maximal effort.

  5. Anaerobic Exercise: This High Intensity Activity is ... - AOL

    www.aol.com/anaerobic-exercise-high-intensity...

    Anaerobic exercise, on the other hand, doesn’t need oxygen to create energy. It’s the system that kicks in to supplement or take over when your energy demands exceed the amount of energy your ...

  6. High-intensity interval training - Wikipedia

    en.wikipedia.org/wiki/High-intensity_interval...

    The very high level of intensity, the interval duration, and number of bouts distinguish it from aerobic (cardiovascular) activity, because the body significantly recruits anaerobic energy systems (although not completely to the exclusion of aerobic pathways). [1] The method thereby relies on "the anaerobic energy releasing system almost ...

  7. Aerobic exercise - Wikipedia

    en.wikipedia.org/wiki/Aerobic_exercise

    Aerobic exercise, also known as cardio, is physical exercise [1] of low to high intensity that depends primarily on the aerobic energy-generating process. [2] "Aerobic" is defined as "relating to, involving, or requiring oxygen", [3] and refers to the use of oxygen to meet energy demands during exercise via aerobic metabolism adequately. [4]

  8. Lactate threshold - Wikipedia

    en.wikipedia.org/wiki/Lactate_threshold

    Some have suggested this is where blood lactate reaches a concentration of 2 mmol/litre (at rest it is around 1). [3] The anaerobic energy system increases the ability to produce blood lactate during maximal exercise, resulting from an increased amount of glycogen stores [clarification needed] and glycolytic enzymes. [2]

  9. Physiology of marathons - Wikipedia

    en.wikipedia.org/wiki/Physiology_of_marathons

    Lactate threshold or anaerobic threshold is considered a good indicator of the body's ability to efficiently process and transfer chemical energy into mechanical energy. [7] A marathon is considered an aerobic dominant exercise, but higher intensities associated with elite performance use a larger percentage of anaerobic energy.