Comparison of EMG Activity in Leg Muscles between Overground and Treadmill Running

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dc.authoridErtan, Hayri/0000-0003-1298-8485
dc.contributor.authorDarendeli, Abdulkerim
dc.contributor.authorErtan, Hayri
dc.contributor.authorEnoka, Roger Maro
dc.date.accessioned2024-10-26T18:09:31Z
dc.date.available2024-10-26T18:09:31Z
dc.date.issued2023
dc.departmentSivas Cumhuriyet Üniversitesi
dc.description.abstractIntroductionTreadmills have been widely used for training and performance testing during which the treadmill grade is usually set to 0%-2% grade. The purpose of our study was to compare the level of activation of lower body muscles when running at two speeds in an overground condition and on a treadmill at 0%, 1%, and 2% grades.MethodsWe recorded EMG data of eight lower body muscles from 13 recreationally active individuals during overground and treadmill running at 2.92 and 4.58 m center dot s(-1). Maximal voluntary contraction (MVC) tests were performed (3 x 6 s) to identify maximal torque and EMG values. The stride cycles, from one foot strike to the next, were identified using a pair of triaxial accelerometers. A two-way repeated-measures ANOVA was used to examine the differences in EMG activity across running conditions and speeds. Cohen's d effect size was calculated to indicate the difference between the overground and the treadmill running conditions.ResultsThe effect sizes were moderate to negligible for differences between the EMG integral values for overground running and the three treadmill grades. The coefficient of variation for stride time during overground running was significantly larger than that of the treadmill running at 4.58 m center dot s(-1).ConclusionsThe results showed that the overall EMG profiles of the thigh and shank muscles were similar for the overground and treadmill conditions, but the similarity was greatest for thigh muscles when running on the treadmill at 1% grade and for shank muscles at 2% grade. The variability in stride time was greater during overground running than when running on a treadmill and was associated with elevated EMG activity of some muscles.
dc.description.sponsorshipTUBITAK [1002, 220S821, 2214-A, 1059B142100617]
dc.description.sponsorshipThis study was financially supported by TUBITAK with project code 1002 (project no. 220S821) and project code 2214-A (project no. 1059B142100617). The authors declare no conflicts of interest. The results of the study are presented clearly, honestly, and without fabrication, falsification, or inappropriate data manipulation. The results of the present study do not constitute endorsement by the American College of Sports Medicine.
dc.identifier.doi10.1249/MSS.0000000000003055
dc.identifier.endpage524
dc.identifier.issn0195-9131
dc.identifier.issn1530-0315
dc.identifier.issue3
dc.identifier.pmid36251398
dc.identifier.scopus2-s2.0-85148113911
dc.identifier.scopusqualityQ1
dc.identifier.startpage517
dc.identifier.urihttps://doi.org/10.1249/MSS.0000000000003055
dc.identifier.urihttps://hdl.handle.net/20.500.12418/30157
dc.identifier.volume55
dc.identifier.wosWOS:000931685900018
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherLippincott Williams & Wilkins
dc.relation.ispartofMedicine & Science in Sports & Exercise
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectBIOMECHANICS
dc.subjectMOTORIZED TREADMILL
dc.subjectGAIT ANALYSIS
dc.subjectTIBIAL ACCELERATION
dc.subjectSTRIDE VARIABILITY
dc.titleComparison of EMG Activity in Leg Muscles between Overground and Treadmill Running
dc.typeArticle

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