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J. Funct. Morphol. Kinesiol. 2017, 2(2), 16; doi:10.3390/jfmk2020016

Effects of Stochastic Resonance on Sensorimotor Performance during Exercise-Induced Muscle Damage

School of Health Sciences, Queen Margaret University, Edinburgh, Scotland EH21 6UU, UK
Academic Editor: José Peña-Amaro
Received: 15 March 2017 / Revised: 26 April 2017 / Accepted: 6 May 2017 / Published: 16 May 2017
(This article belongs to the Special Issue Muscle Damage and Regeneration)
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Abstract

The aim of this study was to assess the effects of stochastic resonance (SR) stimulation on sensorimotor performance during an episode of exercise-induced muscle damage (EIMD). Thirty four men (age: 21.3 (±2.6) years; height 1.78 (±0.06) m; body mass 72.3 (±7.4) kg (mean (±SD)) gave their informed consent to participate in this study.Sensorimotor performance (error in replicating a target force) of the knee flexors was assessed prior to, and at 0.5 and 48 h after (i) a treatment condition involving a single-leg EIMD conditioning of the non-preferred leg, with concomitant responses to (ii) randomised presentation of SR, no SR and placebo conditions. Results showed a significant ANOVA interaction for sensorimotor performance amongst factors of condition (control period; EIMD), time (pre; post 0.5 h; post 48 h) and stimuli (SR; no SR; placebo) (F[1.5,29.3] = 5.7; p < 0.01). While scores during an antecedent control period had remained relatively constant, the EIMD protocol had elicited increased error in replicating a target force for the knee flexors of the non-preferred leg over time (worsened sensorimotor performance) that had been most prominent at 48 h after exercise, but whose negative effects had been ameliorated under conditions of SR (5.6 ± 3.1% (no SR) versus 3.7 ± 2.3% (SR) (pre) and 10.3 ± 4.2% (no SR) versus 8.1 ± 5.1% (SR) (48 h), respectively; F[1,36] = 6.0; p < 0.01). In conclusion, this study has shown that SR conditioning-related increases in the sensorimotor performance of the hamstring muscle group led to some protection from performance loss following EIMD. View Full-Text
Keywords: stochastic resonance; muscle-damage; sensorimotor stochastic resonance; muscle-damage; sensorimotor
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Gleeson, N. Effects of Stochastic Resonance on Sensorimotor Performance during Exercise-Induced Muscle Damage. J. Funct. Morphol. Kinesiol. 2017, 2, 16.

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J. Funct. Morphol. Kinesiol. EISSN 2411-5142 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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