Static Stretching Reduces Motoneuron Excitability: The Potential Role of Neuromodulation.

Gabriel S Trajano, Anthony J Blazevich

Journal: Exercise and sport sciences reviews 2021;49(2):126-132

PMID: 33720914

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Abstract

Prolonged static muscle stretching transiently reduces maximal muscle force, and this force loss has a strong neural component. In this review, we discuss the evidence suggesting that stretching reduces the motoneuron's ability to amplify excitatory drive. We propose a hypothetical model in which stretching causes physiological relaxation, reducing the brainstem-derived neuromodulatory drive necessary to maximize motoneuron discharge rates.

Address: School of Exercise and Nutrition Sciences, Faculty of Health, Queensland University of Technology, Brisbane.; Centre for Exercise and Sports Science Research, School of Medical and Health Sciences, Edith Cowan University, Joondalup, Australia.

DOI: 10.1249/JES.0000000000000243

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MeSH Terms: Humans, Motor Neurons, Muscle Stretching Exercises, Muscles