The effect of repetitive ankle perturbations on muscle reaction time and muscle activity
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A Mitchell The Effect of Repetitive ...
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Birmingham City UniversityUniversity of San Francisco
University of Bedfordshire
University of Hertfordshire
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2016-07-15
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The use of a tilt platform to simulate a lateral ankle sprain and record muscle reaction time is a well-established procedure. However, a potential caveat is that repetitive ankle perturbation may cause a natural attenuation of the reflex latency and amplitude. This is an important area to investigate as many researchers examine the effect of an intervention on muscle reaction time. Muscle reaction time, peak and average amplitude of the peroneus longus and tibialis anterior in response to a simulated lateral ankle sprain (combined inversion and plantar flexion movement) were calculated in twenty-two physically active participants. The 40 perturbations were divided into 4 even groups of 10 dominant limb perturbations. Within-participants repeated measures analysis of variance (ANOVA) tests were conducted to assess the effect of habituation over time for each variable. There was a significant reduction in the peroneus longus average amplitude between the aggregated first and last 10 consecutive ankle perturbations (F = 3.90, P = 0.03, ɳ = 0.16). Authors should implement no more than a maximum of 30 consecutive ankle perturbations (inclusive of practice perturbations) in future protocols simulating a lateral ankle sprain in an effort to avoid significant attenuation of muscle activity.Citation
Thain P., Hughes G., Mitchell A. (2016) 'The effect of repetitive ankle perturbations on muscle reaction time and muscle activity', Journal of Electro - myography and Kinesiology, 30, pp.184-190.Publisher
Elsevier LtdPubMed ID
27471780Additional Links
http://www.sciencedirect.com/science/article/pii/S1050641116300815Type
ArticleLanguage
enISSN
1050-6411ae974a485f413a2113503eed53cd6c53
10.1016/j.jelekin.2016.07.004
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