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Objective: To explore the relationship between the arch type and physical form, physical fit-ness, body fat and somatotype. Methods:Measure and type the arch of 382 male soldier in a certain army by foot-print ratio method; Routinely detect the results of height and weight, body fat, 100 and 5 000 meters running, standing jump;According to the international heath-carter method, ten indexes were measured and the somatotype were evaluated. Results:①382 samples, flatfoot 91, accounted for 23. 6%, the foot arch index 0. 60 + 0. 21;non-flatfoot 291 , 76 . 2%, arch index 1 . 14 +0 . 22 , t=22 . 83 , P=0 . 001;②Comparing the mean of the results of height, weight, BMI, body fat percentage,100 and 5 000 meters running, standing jump of the two groups( flatfoot and non-flatfoot) samples, t-text, P>0. 05; ③Assessed by the method of heath-carter shape, flatfoot group so-matotype mean is 2. 7 (0. 7) -4. 8 (1. 3) -2. 7 (0. 9), sam is 1. 5 (0. 9);non flatfoot group somatotype mean is 2. 3 (0. 7) -5. 0 (3. 1) -2. 4 (0. 9), sam is 1. 6 (1. 0);The distance of two groups`points in 3D space mean somatotypes is 0. 54; t-test of the two groups`somatotype mean, P>0. 05. Conclusions: Compared the flatfoot group with the control group, there is no significant difference in physical form, physical fitness, body fat and so-matotype. The increasingly high rate of flatfoot in healthy people is physical, but not flatfoot disease, and no need for surgery.
