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  2. Physiology of marathons - Wikipedia

    en.wikipedia.org/wiki/Physiology_of_marathons

    An individual cannot perform any exercise at 100% VO 2Max for extended periods of time. [7] The marathon is generally run at about 70-90% of VO 2Max and the fractional use of one's aerobic capacity serves as a key component of marathon performance. [ 6 ]

  3. Time dilation - Wikipedia

    en.wikipedia.org/wiki/Time_dilation

    Gravitational time dilation is at play e.g. for ISS astronauts. While the astronauts' relative velocity slows down their time, the reduced gravitational influence at their location speeds it up, although to a lesser degree. Also, a climber's time is theoretically passing slightly faster at the top of a mountain compared to people at sea level.

  4. Anaerobic glycolysis - Wikipedia

    en.wikipedia.org/wiki/Anaerobic_glycolysis

    [4] [5] The speed at which ATP is produced is about 100 times that of oxidative phosphorylation. [ 1 ] Anaerobic glycolysis is thought to have been the primary means of energy production in earlier organisms before oxygen was at high concentration in the atmosphere and thus would represent a more ancient form of energy production in cells.

  5. How scientists can slow down time - AOL

    www.aol.com/news/2014-09-26-how-scientists-can...

    If you travelled a year at 95% the speed of light; you'd age one year, and people on Earth would age 3.2 years! But if you were going 50% the speed of light it would only be 1.15 years. The effect ...

  6. Second wind - Wikipedia

    en.wikipedia.org/wiki/Second_wind

    [18] [19] Aiming for ATP production primarily from fat metabolism rather than protein metabolism is also why the preferred method for getting into second wind is to slowly increase speed during aerobic activity for 10 minutes, rather than to go quickly from the outset and then resting for 10 minutes before resuming. [18]

  7. Anaerobic exercise - Wikipedia

    en.wikipedia.org/wiki/Anaerobic_exercise

    Anaerobic exercise is a type of exercise that breaks down glucose in the body without using oxygen; anaerobic means "without oxygen". [1] This type of exercise leads to a buildup of lactic acid. [1] In practical terms, this means that anaerobic exercise is more intense, but shorter in duration than aerobic exercise. [2] Fox and Haskell formula

  8. Exercise physiology - Wikipedia

    en.wikipedia.org/wiki/Exercise_physiology

    The effect of training on the body has been defined as the reaction to the adaptive responses of the body arising from exercise [3] or as "an elevation of metabolism produced by exercise". [4] Exercise physiologists study the effect of exercise on pathology, and the mechanisms by which exercise can reduce or reverse disease progression.

  9. 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 ]