Abstract：
PURPOSE:The understanding of fatigue of the human motor system is important in the fields of ergonomics, sport, rehabilitation and neurology. In order to understand the interactions between fatigue and reaction time, we evaluated the effects of two different fatiguing tasks on reaction time. METHODS:83 healthy subjects were included in a case-control study with three arms where single and double choice reaction time tasks were performed before and after 2 min fatiguing task (an isometric task, a finger tapping task and at rest). RESULTS:After an isometric task, the right-fatigued hand was slower in the choice component of a double choice reaction time task (calculated as the individual difference between single and double choice reaction times); also, the subjects that felt more fatigued had slower choice reaction time respect to the baseline assessment. Moreover, in relationship to the performance decay after two minutes, finger tapping task produces more intense fatigability perception. CONCLUSIONS:We confirmed that two minutes of isometric or repetitive tasks are enough to produce fatigue. The fatigue perception is more intense for finger tapping tasks in relation to the performance decay. We therefore confirmed that the two fatiguing tasks produced two different kind of fatigue demonstrating that with a very simple protocol it is possible to test subjects or patients to quantify different form of fatigue.
journal_name
Hum Mov Scijournal_title
Human movement scienceauthors
Soto-Leon V,Alonso-Bonilla C,Peinado-Palomino D,Torres-Pareja M,Mendoza-Laiz N,Mordillo-Mateos L,Onate-Figuerez A,Arias P,Aguilar J,Oliviero Adoi
10.1016/j.humov.2020.102679subject
Has Abstractpub_date
2020-10-01 00:00:00pages
102679eissn
0167-9457issn
1872-7646pii
S0167-9457(20)30543-1journal_volume
73pub_type
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