Effects of Limb-Specific Fatigue on Motor Learning during an Upper Extremity Proprioceptive Task

Nicholas Siekirk; Bradley Kendall

doi:10.29252/ijmcl.1.1.76

Journal of Motor Control and Learning

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https://doi.org/10.29252/ijmcl.1.1.76

Effects of Limb-Specific Fatigue on Motor Learning during an Upper Extremity Proprioceptive Task

Author(s):

Nicholas Siekirk¹,

Bradley Kendall²

1Department of Health Sciences and Kinesiology, Georgia Southern University, Statesboro, GA

2Department of Kinesiology, College of Health Sciences Taylor University, Upland, IN

Journal of Motor Control and Learning:Vol. 1, issue 2; 41-46

Published online:Nov 29, 2019

Article type:fulltext_xml_imported

Received:Jul 03, 2019

Accepted:Oct 04, 2019

How to Cite:Nicholas SiekirkBradley KendallEffects of Limb-Specific Fatigue on Motor Learning during an Upper Extremity Proprioceptive Task.J Motor Control Learn.1(2):e146451.https://doi.org/10.29252/ijmcl.1.1.76.

Abstract

Background: The effects of limb-specific fatigue on motor skill acquisition and retention are not clear.
Objective: To investigate the impact of limb-specific fatigue on the acquisition and retention of an upper extremity proprioceptive task.
Methods: Twenty-two right-handed participants were randomly and equally assigned to either fatigued or non-fatigued protocols. Acquisition phase for the upper extremity task consisted of 5 blocks each with 12 trials. After 48 hours, all participants performed 1 block retention test (12 trials) with the left arm followed by 1 block transfer test (12 trials) with the right arm. Performance for each block was analyzed using a one-way analysis of variance (ANOVA). Performance differences between groups for the acquisition was analyzed using a 2 x 5 (group x block) ANOVA with repeated measures on the blocks. The performance on retention-transfer was analyzed by separate ANOVAs. Statistical significance set at p < .05.
Results: The fatigued condition displayed significantly more E than the non-fatigue group (p < .05). During retention and transfer, the fatigue group again displayed higher E compared to the non-fatigued group (p < .05).
Conclusion: The results of this study support that limb-specific fatigue may produce performance deficits during acquisition and interfere with motor skill retention.

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Author(s):

Nicholas Siekirk:[PubMed][Scholar]
Bradley Kendall:[PubMed][Scholar]