External rotation of the hip. A predictor of risk for stress fractures

M. Giladi, C. Milgrom, M. Stein, H. Kashtan, J. Margulies, R. Chisin, R. Steinberg, R. Kedem, Z. Aharonson, A. Simkin

Research output: Contribution to journalArticlepeer-review


Exernal rotation of the hip was found to have a statistically significant correlation with the incidence of stress fractures, in a prospective study among Israeli infantry recruits of possible anthropomorphic predictors of risk for stress fractures. Soldiers in whom hip external rotation was greater than 65° were at a higher risk for tibial and total stress fractures than those with external rotations of less than 65° . The mean hip external rotation in this study of 57° ± 9.3° was higher than in statistics reported in the American literature. The existence of a larger subpopulation with hip external rotation greater than 65° may partially explain why the reported incidence of stress fractures in the Israeli army is higher than that of the American army.

Original languageEnglish
Pages (from-to)131-134
Number of pages4
JournalClinical Orthopaedics and Related Research
VolumeNo. 216
StatePublished - 1987
Externally publishedYes


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