exertion n : use of physical or mental energy; hard work; "he got an A for effort"; "they managed only with great exertion" [syn: effort, elbow grease, travail, sweat]
the action of exerting
- Finnish: ponnistus
- Portuguese: esforço
Exertion is a concept describing the use of physical or perceived energy. It normally connotates a strenuous or costly effort related to physical, philosophical actions and work.
PhysicalIn physics exertion is use of energy against, or for, inertia as described by Isaac Newton's First Law of Motion. In mechanics it describes use of force against a body in direction of its motion (see vector).
MedicalIn medical terms exertion is the expenditure of energy by skeletal muscles. The intensity of this action can be measured by the rate of which oxygen is expended, heat is produced and heart rate. A frequently used term is rating of perceived exertion or RPE-scale , also known as the Borg scale, which is use of a scale to indicate a quantitative feeling of fatigue.
CyberneticsExertion can be proxied or extended when applied to various human-machine interfaces, like prosthesis, remote control - even for games.
- volition (psychology)
- decision theory
- Ferdinand Tönnies [as in will (sociology)]
- Friedrich Nietzsche [as in strong-willed, drive and will (philosophy)]
- Leonhard Euler
- Isaac Newton
- Measuring Physical Activity Intensity: Perceived Exertion (Borg Rating of Perceived Exertion Scale)
- RPE-scale (2nd)
- First principle of mechanics
- Exertion interfaces allowing exertion by proxy in sporting games.
action, active use, activity, appliance, application, assiduity, assiduousness, consumption, determination, diligence, drive, effort, elbow grease, employ, employment, endeavor, exercise, exercising, good use, hard pull, hard usage, hard use, ill use, industry, misuse, operation, pains, push, resolution, rough usage, sedulity, sedulousness, strain, striving, struggle, toil, trouble, usage, use, using up, while, work, wrong use