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KMID : 0896719980020020071
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Journal of the Korean Society of Foot Surgery
1998 Volume.2 No. 2 p.71 ~ p.75
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The Relationship between Foot Arch Structure and March Fractures
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Bae Young-Jae
Yoon Sung-Il
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Abstract
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The fact that, under similar training activities performed in the same environment, march fractures develop in only a certain percentage of the trainees indicates that intrinsic factors are affecting the prevalence of these fractures. Among these intrinsic factors, the relation between foot arch type and the occurance of march fractures was investigated in this study. From 1997 to 1998, at one infantry medical company of infantry corps in Korea, 15 march fract.ure patient,s were detectecl among infantry soldiers. Q,uantitative measures of the foot arch (longitudinal) structure of 15(30feet) march fracture patients were established and compared with those of 15(30feet) normal person. The result,s were as follows. 1. From the laieral X-ray film, three pararneters (i.e. calcaneal angle, forefoot angle, height to length ratio)were defined to describe t.he structure of the longitudinal arch of the foot.
2. The mean value of t.he calcaneal angle af march fracture group and normal cont.rol group showed 16.4 degree, 20. degree respectively. The difference bet.ween two groups was statistically significant (P)0.006), but, those of forefoot angle and height, t.o length ratio were not. 3. In the ralcaneal angle t.wenty-six feet.(87%) of march fract.ure group were lower than 17 degrees but twenty-five feet(83%) of normal control group were more than 17 degrees. That is, march fracture were more prevalent in ieet with low calcaneal angle. 4. In t,he low arch foot,, the orthotic device might relieve t,he energy load carried by the foot,, thus reclucing the incidence of march fract,ures, and should be analyzed in further study.
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KEYWORD
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Primary osteoarthritis, Low tibial osteotomy,
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