Index to Chiropractic Literature
Index to Chiropractic Literature
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Saturday, October 24, 2020
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ID 22627
  Title The influence of acute back muscle fatigue and fatigue recovery on trunk sensorimotor control
URL http://www.ncbi.nlm.nih.gov/pubmed/23206960
Journal J Manipulative Physiol Ther. 2012 Nov-Dec;35(9):662-668
Author(s)
Subject(s)
Peer Review Yes
Publication Type Article
Abstract/Notes

Objective: The aim of this study was to evaluate trunk repositioning sense after an acute muscle fatigue protocol and during a 30-minute recovery period.

Methods: Twenty healthy participants were asked to reproduce a 20° and 30° angle in trunk extension. Participants were tested before and after a Biering-Sorensen fatigue protocol was performed. Movement time, peak angle variable error, constant error and absolute error in peak angle were calculated and compared between 4 temporal conditions in both 20° and 30° extensions.

Results: The statistical analysis revealed a main effect of angle between 20° and 30° extension condition for variable error, absolute error, and movement time. A main effect of time was also found and was characterized by a significant increase in variable error between the prefatigue condition and the first postfatigue condition. During recovery, a significant decrease in variable error was observed between the first postfatigue condition and the 30-minute postfatigue condition, indicating that the variable mean scores were similar to initial values.

Conclusion: Lower back muscle fatigue induced changes in trunk repositioning sense indicators immediately after the fatigue protocol. However, the observed changes did not last for more than a few minutes.

This abstract is reproduced with the permission of the publisher; full text is available by subscription. Click on the above link and choose a publisher from PubMed’s LinkOut feature.


 

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