Potential interests and limits of magnetic and electrical stimulation techniques to assess neuromuscular fatigue

Millet, Guillaume, Bachasson, Damien, Temesi, John, Wuyam, Bernard, Féasson, Léonard, Vergès, Samuel and Lévy, Patrick (2012) Potential interests and limits of magnetic and electrical stimulation techniques to assess neuromuscular fatigue. Neuromuscular Disorders, 22. S181-S186. ISSN 0960-8966

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Abstract

Neuromuscular function can change under different conditions such as ageing, training/detraining, long-term spaceflight, environmental conditions (e.g. hypoxia, hyperthermia), disease, therapy/retraining programs and also with the appearance of fatigue. Neuromuscular fatigue can be defined as any decrease in maximal voluntary strength or power. There is no standardized method to induce fatigue and various protocols involving different contraction patterns (such as sustained or intermittent submaximal isometric or dynamic contractions on isokinetic or custom chairs) have been used. Probably due to lack of motivation/cooperation, results of fatigue resistance protocols are more variable in patients than in healthy subjects. Magnetic and electrical stimulation techniques allow non-invasive assessment of central and peripheral origins of fatigue. They also allow investigation of different types of muscle fatigue when combining various types of stimulation with force/surface EMG measurements. Since maximal electrical stimuli may be uncomfortable or even sometimes painful, several alternative methods have been recently proposed: submaximal muscle stimulation, low/high-frequency paired pulses instead of tetanic stimuli and the use of magnetic stimulation at the peripheral level.

Item Type:	Article
Uncontrolled Keywords:	Electrical and magnetic stimulation; Muscle and central fatigue; EMG; M-wave; Evoked forces
Subjects:	B900 Others in Subjects allied to Medicine C600 Sports Science
Department:	Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User:	Paul Burns
Date Deposited:	19 Dec 2018 18:14
Last Modified:	10 Oct 2019 21:16
URI:	http://nrl.northumbria.ac.uk/id/eprint/37382

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