足趾力に関する研究 : 第2報

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The purpose of this study is to examine the performance of an improved toe strength dynamometer, the prototype of which we described in our previous paper. We confirmed the reproducibility of the strength values for all five toes measured together and for each of the five toes measured independently. Next, we tested the machine's ability to measure concentric and eccentric muscle strength. The test subjects were 32 student athletes: 24 male (average age of 19.9±1.9 years) and 8 female (average age of 20.5±1.8 years). The reproducibility of measurements of concentric and eccentric muscle strength was high, with intraclass correlation of r=0.893-0.972 for the former and r=0.806-0.934 for the latter. The values for eccentric toe muscle strength showed significantly higher reproducibility than those for concentric toe muscle strength. In the previous report there were many missing data on the fourth and fifth toes; in the test of the improved dynamometer, there were fewer missing data. We were able to obtain almost all the measurements of toe strength, both those for all five toes measured together and those for each toe measured independently. The improvements were shown to make the prototype dynamometer more effective at measuring toe strength. The machine showed high measurement reproducibility, and it accurately displayed the strength of the subjects' toes. The number of measured values, however, was insufficient for comparison of toe strength between athletes of different sports. It will be necessary to study more subjects.
東海大学の論文
2006-03-31

足趾力に関する研究 : 第2報

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