Reliability of Prevention of Disability and Diagnostic Index of Spread Rate and Spread Angle for Spread Foot

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  • 開張率と開張角の信頼性と開張足の診断基準値と障害予防の検討
  • カイチョウリツ ト カイチョウカク ノ シンライセイ ト カイチョウソク ノ シンダン キジュンチ ト ショウガイ ヨボウ ノ ケントウ

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We propose a method that can be diagnosed in a simple spread foot to prevent failure in such as sports injuries. In addition, to clarify the boundary value that can be used to predict spread foot and its reliability, we report on our investigation of the effects of merger rate and location of pain and other diseases, using a 6-minute walk distance.<BR>    Measurement of spread foot is measurement by using the spread angle and spread rate. We checked spread rate and the spread angle at the first and fifth metatarsal angles of the X-ray with correlation. And then we calculated by the regression equation metrics of spread foot. In the case of spread foot, to see the complications of other diseases, we observed the correlation high rate medial longitudinal arch, first toe angle and fifth toe angle. We also observed the merger rate of flatfoot deformity, hallux valgus deformity, and digitus quintus varus.<BR>    We also examined the occurrence of pain and the occurrence of callus of spread foot. Furthermore, we observed the correlation between the angle of M1-M5 using the 6-minute walk distance test.<BR>    The subjects were 9 men and 48 women who had been diagnosed with spread foot. 62 foot of them were examined in this study.<BR>    As a result, spread rate was r = 0.535733. Spread angle was r = 0.653131. The results indicated on the index with over 40.9% spread rate and over 15°spread angles. Spread foot merger rate was higher for flat foot, hallux valgus, and digitus quintus varus. There were many cases of second metatarsal bone pain and first metatarsal bone pain.<BR>    Prediction of degradation mechanisms of the arch could be made on the basis of flat foot with talus sliding down by the subtalar joint pronation and pushing the adjacent navicular bone to the lower part. It was thought that the drop of the horizontal arch navicular bone was pushed to the lower part. Appearance of the hallux valgus and digitus quintus was predicted by the drop of the horizontal arch.

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