Influence of a fatiguing exercise on lower limb electromyographic activities and co-contraction in overweight females during running

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Publicado en:PLoS One vol. 20, no. 5 (May 2025), p. e0322167
Autor principal: Jafarnezhadgero, AmirAli
Otros Autores: Moradzadeh, Nastaran, Ehsan Fakhri Mirzang, Sajedi, Heidar, Dixon, Sharon, Akrami, Mohammad
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Public Library of Science
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Acceso en línea:Citation/Abstract
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022 |a 1932-6203 
024 7 |a 10.1371/journal.pone.0322167  |2 doi 
035 |a 3201701283 
045 2 |b d20250501  |b d20250531 
084 |a 174835  |2 nlm 
100 1 |a Jafarnezhadgero, AmirAli 
245 1 |a Influence of a fatiguing exercise on lower limb electromyographic activities and co-contraction in overweight females during running 
260 |b Public Library of Science  |c May 2025 
513 |a Journal Article 
520 3 |a BackgroundThis study investigates the effects of a fatiguing exercise on lower limb electro-myographic activities and co-contraction in overweight females compared with normal weight females during running.MethodsForty-eight females were divided into two groups. The first group included individuals with a normal body-mass-index. The second group comprised individuals classified as overweight/obese based on body-mass-index. Electromyography data from the tibialis anterior, gastrocnemius medialis, vastus lateralis, vastus medialis, rectus femoris, biceps femoris, and semitendinosus muscles were collected during running at constant speed using a surface electromyography system before and after a running induced fatigue.FindingsThe results indicated significant main effects of the “Group” on tibialis anterior muscle activities during the loading phase (P = 0.040). Furthermore, the results showed significant main effects of “Fatigue” on rectus femoris (P = 0.028) and semitendinosus (P = 0.007) muscle activities during the loading phase. Paired-wise comparison demonstrated significantly greater rectus femoris and semitendinosus activities during the loading phase after the fatigue protocol. The results demonstrated significant main effects of “Fatigue” for general knee muscular co-contraction during early stance phase (P < 0.001). Paired-wise comparison demonstrated significantly greater general knee muscular co-contraction during early stance phase at post-test compared with pre-test. No significant main effect of “Group” and group-by-fatigue interactions were found for general and direct knee co-contraction during early stance phase (P > 0.05).InterpretationOverall, our findings indicate that both fatigue and being overweight result in running pattern differences, but these occur through different mechanisms at a neuromuscular level. Neuromuscular responses to fatigue during running in overweight adults and in normal weight adults can be evaluated together, in order to optimize the modality of treatment and rehabilitation processes in overweight adults to reduce and/or prevent the risk of running related injury. 
653 |a Ankle 
653 |a Electromyography 
653 |a Running 
653 |a Exercise 
653 |a Knee 
653 |a Contraction 
653 |a Injury prevention 
653 |a Muscles 
653 |a Body mass index 
653 |a Fatigue 
653 |a Females 
653 |a Injuries 
653 |a Overweight 
653 |a Muscle fatigue 
653 |a Tibialis anterior muscle 
653 |a Body weight 
653 |a Muscular fatigue 
653 |a Marathons 
653 |a Skeletal muscle 
653 |a Obesity 
653 |a Adults 
653 |a Fatigue tests 
653 |a Muscle function 
653 |a Biomechanics 
653 |a Weight 
653 |a Social 
700 1 |a Moradzadeh, Nastaran 
700 1 |a Ehsan Fakhri Mirzang 
700 1 |a Sajedi, Heidar 
700 1 |a Dixon, Sharon 
700 1 |a Akrami, Mohammad 
773 0 |t PLoS One  |g vol. 20, no. 5 (May 2025), p. e0322167 
786 0 |d ProQuest  |t Health & Medical Collection 
856 4 1 |3 Citation/Abstract  |u https://www.proquest.com/docview/3201701283/abstract/embedded/L8HZQI7Z43R0LA5T?source=fedsrch 
856 4 0 |3 Full Text  |u https://www.proquest.com/docview/3201701283/fulltext/embedded/L8HZQI7Z43R0LA5T?source=fedsrch 
856 4 0 |3 Full Text - PDF  |u https://www.proquest.com/docview/3201701283/fulltextPDF/embedded/L8HZQI7Z43R0LA5T?source=fedsrch