Performance Fatigability: Mechanisms and Task Specificity

Cold Spring Harbor Perspectives in Medicine
Sandra K Hunter

Abstract

Performance fatigability is characterized as an acute decline in motor performance caused by an exercise-induced reduction in force or power of the involved muscles. Multiple mechanisms contribute to performance fatigability and originate from neural and muscular processes, with the task demands dictating the mechanisms. This review highlights that (1) inadequate activation of the motoneuron pool can contribute to performance fatigability, and (2) the demands of the task and the physiological characteristics of the population assessed, dictate fatigability and the involved mechanisms. Examples of task and population differences in fatigability highlighted in this review include contraction intensity and velocity, stability and support provided to the fatiguing limb, sex differences, and aging. A future challenge is to define specific mechanisms of fatigability and to translate these findings to real-world performance and exercise training in healthy and clinical populations across the life span.

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Citations

Jan 4, 2018·Medicine and Science in Sports and Exercise·Jonathon SenefeldSandra K Hunter
Mar 2, 2018·Journal of Applied Physiology·Christopher W SundbergSandra K Hunter
Mar 30, 2018·Journal of Applied Physiology·Jonathon SenefeldSandra K Hunter
Aug 10, 2018·Journal of Applied Physiology·Enzo PiponnierSébastien Ratel
Jan 4, 2019·Journal of Applied Physiology·Jonathon W SenefeldSandra K Hunter
Apr 25, 2019·The Journal of Physiology·Christopher W SundbergSandra K Hunter
Jul 8, 2020·Physiological Reports·Jonathon W SenefeldSandra K Hunter
Nov 30, 2018·Frontiers in Human Neuroscience·Joohyun Rhee, Ranjana K Mehta
Mar 9, 2019·Frontiers in Physiology·Manda L Keller-RossBruce D Johnson
Nov 29, 2020·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Giorgio VarescoVianney Rozand
Nov 27, 2020·Frontiers in Human Neuroscience·Oshin TyagiKhalid Qaraqe
Dec 31, 2020·International Journal of Environmental Research and Public Health·Diego A BonillaRichard B Kreider
Feb 23, 2021·European Journal of Applied Physiology·Giovanni BerardiMarie K Hoeger Bement
Apr 27, 2021·International Journal of Sports Medicine·Carlos Rodriguez-LopezLuis M Alegre
Jul 3, 2021·International Journal of Environmental Research and Public Health·Denver M Y BrownSteven R Bray
Aug 24, 2021·Applied Ergonomics·Eric D RyanBrian G Pietrosimone
Sep 4, 2021·Perceptual and Motor Skills·Dean L SmithJulie M Cousins
Aug 19, 2021·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Giorgio VarescoVianney Rozand

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