Publication:
Effects of Shoe Midsole Hardness on Lower Extremity Biomechanics during Jump Rope in Healthy Males

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dc.creatorYu, Hai-Bin
dc.creatorTai, Wei-Hsun
dc.creatorLi, Jing
dc.creatorZhang, Rui
dc.creatorHao, Wei-Ya
dc.creatorLin, Jian-Zhi
dc.date2021-10
dc.date.accessioned2022-03-25T01:18:25Z
dc.date.accessioned2025-07-27T07:11:54Z
dc.date.available2022-03-25T01:18:25Z
dc.date.issued2022-03-25T01:18:25Z
dc.description.abstractThis study investigated differences in lower extremity muscle activations and vertical stiffness during a 2.2 Hz jump rope exercise with different midsole hardnesses (45, 50, 55, and 60 Shores C). Twelve healthy male participants wore customized shoes with different hardness midsoles and performed jump rope exercises in a random order. A nine-camera motion analysis system (150 Hz), a force platform (1500 Hz), and a wireless electromyography (EMG) system (Noraxon, 1500 Hz) were used to measure the biomechanical parameters during the jump rope exercise. The biceps femoris %MVC of barefoot participants was significantly greater than that of those wearing the 45 Shores C (p = 0.048) and 55 Shores C (p = 0.009) midsole 100 ms before landing. The vastus medialis %MVC of barefoot participants was significantly greater than that of those wearing the 55 C midsole (p = 0.005). Nonsignificant differences in vertical stiffness were found between midsole hardnesses and barefoot. Lower extremity muscle activation differed between conditions. The results of this study indicate that for repetitive activities that entail multiple impacts, sports shoes with a low midsole hardness (e.g., 50 Shores C or 45 Shores C) may be appropriate. It is important to provide customers with information regarding midsole hardness in shoe product labeling so that they properly consider the function of the shoes.
dc.format.extent104 bytes
dc.format.mimetypetext/html
dc.identifier.issn2227-9032
dc.identifier.urihttps://ir.ntus.edu.tw/handle/987654321/64630
dc.languageen_US
dc.publisherBASEL, SWITZERLAND: MPDI
dc.relationHEALTHCARE, 9(10)
dc.subjectfootwear
dc.subjectbiomechanics
dc.subjectstiffness
dc.titleEffects of Shoe Midsole Hardness on Lower Extremity Biomechanics during Jump Rope in Healthy Males
dc.typearticle
dspace.entity.typePublication

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