Perhaps the most valuable paper that has ever been written on coxa vara is that of Elmslie,1 which appeared in 1913.
For the sake of giving Elmslie's views a wider circulation it has seemed to me better to make this paper a review rather than attempt a personal paper on the same subject. Elmslie says:
Coxa vara is an anatomical term indicating the condition of depression of the neck of the femur, so that the angle that the neck of the femur makes with the shaft, normally about 125 degrees, is lessened. Such depression of the neck of the femur may occur by bending at the root of the neck, in the middle of the neck, or close up to the head of the bone, or there may be a general curvature of the whole neck.
The clinical manifestations of coxa vara are, briefly, diminution in the degree of