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   Effects of School Sports Spaces on Electromyography Activity of Lower Limb and Erector Spinae Muscles During Running in Students  
   
نویسنده Azizian Kohan Nasrin ,Abdollahpour Darvishani Mohammad ,Jafarnezhadgero Amirali ,Dehghani Mahrokh ,Momenifar Fahimeh
منبع Journal Of Advanced Sport Technology - 2020 - دوره : 4 - شماره : 1 - صفحه:52 -60
چکیده    The inappropriate sport spaces could possibly cause alterations in the activation of the involved muscles when running. the aim of this study was to evaluate the effects of school sport spaces on electromyography activity of lower limb and erector spinae muscles during running in students. fifteen students with an age range between 10 to 14 years were selected from schools with suitable sport facilities and fifteen students with the same age range from schools with inappropriate sport spaces. a wireless electromyography system with 8 pairs of bipolar surface electrodes (sample rate: 2000 hz) was used to record the electromyography activity of back and lower limb muscles during running. the results showed that during the loading response phase, median frequency of the tibialis anterior (p=0.005, d=1.27) and medial gastrocnemius (p=0.021, d=0.93) muscles in the suitable sport facilities group were higher than that the other group by 13.45% and 38.28%, respectively. also, during the propulsion phase, median frequency of biceps femoris muscle in the suitable sport facilities group was higher than that the other group by 28.88% (p=0.002, d=1.37). in addition, during the loading response phase, amplitude of medial gastrocnemius (p=0.024, d=0.84) and erector spinae (p=0.014, d=0.85) muscles in the suitable sport facilities group were lower than other group by 35.55% and 43.29%, respectively. the results of this study showed that students in schools with suitable sport facilities have better performance of the lower limb and erector spinae muscles while running, which reduces the chance of injury during running.
کلیدواژه Electromyography ,Frequency Spectrum ,Students ,Running.
آدرس University Of Mohaghegh Ardabili, Faculty Of Educational Science And Psychology, Department Of Physical Education And Sport Sciences, Iran, University Of Mohaghegh Ardabili, Faculty Of Education Sciences And Psychology, Department Of Physical Education And Sport Sciences, Iran, University Of Mohaghegh Ardabili, Faculty Of Educational Science And Psychology, Department Of Physical Education And Sport Sciences, Iran, University Of Mohaghegh Ardabili, Faculty Of Educational Science And Psychology, Department Of Physical Education And Sport Sciences, Iran, Payame Noor University, Faculty Of Educational Science And Psychology, Assistant Professor Of Sport Management, Iran
پست الکترونیکی f.momenifar91@yahoo.com
 
 

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