Abstract

Background: Femoral neck anteversion angle is the angle which measures the anterior rotation of the neck of the femur around the shaft. Its variation in the various population groups is attributed to various factors such as heredity, diet, climatic factors and lifestyle. This angle is clinically significant for orthopedicians while doing hip arthroplasties and osteotomies where it is pertinent to restore the anatomy of proximal femur for stability of the hip joint. Context and purpose of the study: There is no baseline data of Femoral Neck Anteversion angle for Central Indian population. The present study was aimed to fill this lacuna and to give the normal values of femoral neck anteversion angle for above specified population. Materials and methods: 152 dried femora were procured from department of anatomy consisting of 77 femora of right side and 75 femora of left side. Anteversion angle is recorded using goniometer. Means were calculated and statistically correlated for laterality using independent student‘t’ test. p value was thus obtained. Results: Mean anteversion angle of right side was found to be 19.03º ± 12.11º and that of the left side came out to be 18.62º ± 10.8º. Among 152 femora taken, 7 retroverted and 7 neutral verted femora were also found in the study. Conclusion: So much variation in the angle of anteversion along with the presence of retroversion (4.6%) and neutral version (4.6%) is a challenge for both implant designer companies as well as orthopedicians. Thus, present study acts as a guide for normal values and range of this clinically significant angle.

Authors and Affiliations