Active recovery affects the recovery of the corticospinal system but not of muscle contractile properties

PloS One
Louis-Solal GiboinMarkus Gruber

Abstract

Active recovery is often used by athletes after strenuous exercise or competition but its underlying mechanisms are not well understood. We hypothesized that active recovery speeds-up recovery processes within the muscle and the central nervous system (CNS). We assessed muscular and CNS recovery by measuring the voluntary activation (VA) in the vastus lateralis muscle with transcranial magnetic stimulation (VATMS) and peripheral nerve stimulation (VAPNS) during maximal voluntary contractions (MVC) of the knee extensors in 11 subjects. Measurements were performed before and after a fatiguing cycling time-trial, after an active and a passive recovery treatment and after another fatiguing task (1 min MVC). The measurements were performed a second time 24 h after the time-trial. We observed a time × group interaction effect for VATMS (p = 0.013). Post-hoc corrected T-tests demonstrated an increased VATMS after active recovery when measured after the 1 min MVC performed 24 h after the time-trial (mean ± SD; 95.2 ± 4.1% vs. 89.2 ± 6.6%, p = 0.026). No significant effects were observed for all other variables. Active recovery increased aspects of central, rather than muscle recovery. However, no effect on MVC was seen, implying that e...Continue Reading

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Citations

Jan 14, 2021·Neurological Sciences : Official Journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·Mehrangiz Ghorbani, Cain C T Clark
Jan 14, 2021·International Journal of Sports Physiology and Performance·Angelo SabagMartin Buchheit

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