Is there a relation between hip torsion, coverage and osteoarthritis of the knee?

Abstract

Purpose Biomechanic factors play a role in the pathogenesis of knee osteoarthritis. The aim of the study was to find out whether there is a relation between femoral, acetabular anteversions, anterior, posterior acetabular coverages and primary osteoarthritis of the knee. Methods Thirty patients with primary osteoarthritis of the knee and 29 control subjects were enrolled into the study. Femoral anteversion, acetabular anteversion, McKibbin's instability index, anterior acetabular sector and posterior acetabular sector angles were measured using tomographic scanograms. Results There was no difference between groups for each parameter (P [ 0.05). Conclusion This study did not show any relationship between the axial plane changes in the hip joint and primary knee osteoarthritis.

Strong correlation between the morphology of the proximal femur and the geometry of the distal femoral trochlea

“…The femoral neck anteversion angle (FNAA) determines the rotation of the lower limb in the transverse plane and is among other conditions also associated with anterior knee pain and patellar dislocation [10, 17]. The role of the FNAA in the development of osteoarthritis of the knee is still under debate [9, 11]. On the distal femur, the posterior condylar line (PCL) and the transepicondylar axis (TEA) are used to determine the axial rotation of the distal femur and form key parameters in TKA [22, 30, 32].…”

Femoral bowing plane adaptation to femoral anteversion

“…26 In another study, 30 patients with osteoarthritis (age range 40–75 years) were compared with 29 control subjects (age range 19–75 years) and a mean anteversion value of 10.19° and 13.8°, respectively, was found. 27 Gender difference is not reported in these studies. The mean anteversion value is 10.74°, which is 8.96° for males and 13.15° for females in our study, thus our findings are comparable with the previous results, and gender difference is not significant.…”

Does increased femoral antetorsion predispose to cartilage lesions of the patellofemoral joint?

“…Although there are numerous studies which document that an increased femoral antetorsion may predispose to osteoarthritis of the hip joint [25, 26, 32], there are only few studies investigating the influence of femoral neck antetorsion on the presence of osteoarthritis of the patellofemoral joint. Previous studies indicated that there is no relationship between the axial plane changes of the hip joint and primary osteoarthritis of the knee [9, 12]. However, it has been suggested that the posterior inclination of the lateral tibial slope is clearly related to the development of cartilage degeneration of the medial facet of the patella [17].…”