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The Effects of ground and Treadmill running on Energy Metabolism and Muscle Contractile Properties:A Randomized Cross-Over Study

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Journal of Science in Sport and Exercise 2022年第2期4卷 109-118页

作者： Yuan Zhou Jian-gang Chen Xiao-long Li Xin-liang Pan Yi-zheng Zhou Zheng-ao Li Zhi-cheng Liang Jia-min Long Ming-ze Qin Jing Zhang Bing Shi Bing-jun Wan Ai-ping Chi Wen-fei Zhu Ke Ning Yu-liang Sun School of Physical Education Shaanxi Normal UniversityNo.620 West Chang’an StreetChang’an DistrictXi’an 710119ShaanxiChina School of Kinesiology Beijing Sport UniversityNo.48 Xinxi RoadHaidian DistrictBeijing 100084China

Purpose This study aimed to compare the effects of ground and treadmill running on energy metabolism and muscle con-tractile properties,providing a basis for the general public to choose running *** Ten male college students(age,20.10±1.53 years;height,176.20±5.49 cm;weight,72.14±8.25 kg;body fat percent,12.41%±4.65%)were recruited in this *** expenditure(EE)was measured using the accelerometer(GT9X)combined with specific estimation *** heart rate(HR)was measured using a heart rate band(Polar).Muscle contractile properties were assessed by measuring muscle displacement(Dm)and contraction velocity(Vc)using tensiomyography(TMG-S1).Blood glucose(Glu)and lactate(Lac)were measured by portable devices(eB-G and Lactate Scout).The running speed was 9 km/h and the duration was 25 ***-way ANOVA(protocol×time)was used to analyze the effect of running protocols on energy metabolism and muscle contractile *** EE of treadmill running was significantly higher than EE of ground running(protocol main effect,Prunning was significantly higher than that of ground running in the first testing time(protocol simple effect,P=0.026;protocol×time interaction P=0.043).The decrease in Dm of the rectus femoris after treadmill running was significantly higher than that of ground running(protocol main effect,P=0.009).The interaction of different running protocols and testing times on Lac was significant(P=0.025),but all results of the simple effects analysis were not statisti-cally significant(P>0.05).Conclusion Our study found a difference in energy expenditure between treadmill and ground running at 9 km/h with duration of 25 *** addition,treadmills are more likely to cause a decrease in muscle displacement distance of the rectus femoris measured after exercise than ground *** studies are needed to further investigate whether the differences are induced by internal metabolism or the environmental cond

关键词： ground running Treadmill running Energy expenditure Muscle contractile properties Blood glucose Blood lactate

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