1. Fourteen hundred and nine femoral-torsion studies were done on 584 children.
2. Graphs for the average normal torsion of the femur and the average normal angle of inclination (shaft-neck angle) were made for 238 children from three months to sixteen years of age.
3. The significant femoral-torsion information on forty-five cases of congenital dislocation of the hip was reported.
4. In 1409 femoral-torsion studies on 584 children, increased femoral torsion was present in more than one-half of the patients with moderate or marked coxa valga.
5. Six of forty hips with coxa plana (15 per cent) showed increased femoral torsion.
6. A definite decrease in femoral torsion was found in ten hips in seven patients with congenital and developmental coxa vara.
7. Eleven patients with pigeon-toe, internal tibial torsion, and constracture of the internal rotators of the hip showed an increased reading of femoral torsion, but the sample is too small to be statistically significant.
Copyright 1958 by The Journal of Bone and Joint Surgery, Incorporated