Volume 1, Issue 1 (8-2019)                   IJMCL 2019, 1(1): 76-81 | Back to browse issues page

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Siekirk N, Lai Q, Kendall B. Effects of Limb-Specific Fatigue on Motor Learning during an Upper Extremity Proprioceptive Task. IJMCL. 2019; 1 (1) :76-81
URL: http://ijmcl.com/article-1-29-en.html
Division of Kinesiology, College of Education, Wayne State University, Detroit, MI
Abstract:   (3665 Views)
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.
Full-Text [PDF 307 kb]   (463 Downloads)    
Type of Study: Research | Subject: 1. Motor learning
Received: 2019/05/5 | Accepted: 2019/08/6 | Published: 2019/08/25

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