What is EXERTION? What does EXERTION mean? EXERTION meaning, definition & explanation

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What is EXERTION? What does EXERTION mean? EXERTION meaning - EXERTION pronunciation - EXERTION definition - EXERTION explanation - How to pronounce EXERTION?

Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license.

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Exertion is the use of physical or perceived energy. It normally connotes a strenuous or costly effort related to physical, muscular, philosophical actions and work.

In physics exertion is use of energy against, or for, inertia as described by Isaac Newton’s third law of motion. In mechanics it describes use of force against a body in direction of its motion.

In medical terms exertion is the expenditure of energy by skeletal muscles, which usually happens during manual labour or physical exercise. The intensity of this action can be measured by the rate of which oxygen is expended, heat is produced and heart rate.

A rating of perceived exertion, as measured by the RPE-scale, or Borg scale, is a quantitative measure of physical exertion.

Exertion can be proxied or extended when applied to various human-machine interfaces, like prosthesis, remote control - even for games.