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ORIGINAL ARTICLE
Year : 2017  |  Volume : 51  |  Issue : 2  |  Page : 155-161

Anthropometric analysis of the hip joint in South Indian population using computed tomography


Department of Orthopaedics, Coimbatore Medical College Hospital, Coimbatore, Tamil Nadu, India

Correspondence Address:
Vetrivel Chezian Sengodan
I6 H. Housing Unit, Mettupalayam Post, Coimbatore - 641 301, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5413.201709

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Background: Proximal femur has a significant functional modification on erect bipedal posture. Various proximal femoral parameters were analyzed in Western literature. This information was utilized in prosthetic designing. Implants designed for Western people are used in Indian patients undergoing hip surgeries such as internal fixation and replacement arthroplasty. Materials and Methods: The study was done among 200 individuals (400 hips) with a normal hip joint after ethical committee clearance. Computed tomography scanning of proximal femur was done. Neck-shaft angle (NSA), neck width (NW), head diameter (HD), acetabular angle (AA) of sharp, horizontal offset (HO), vertical offset (VO), medullary canal diameter at the level of lesser trochanter (MDLT), and acetabular version (AV) were measured. These parameters were tabulated and compared with various populations and statistically analyzed. Results: The mean values were NSA 135°, NW 27 mm, femoral HD (HD) 42.5 mm, AA of sharp 35.5°, HO 37 mm, VO 46 mm, MDLT20 mm, and AV 18.64°. The values differ when compared with Western population. This study results differed when compared with other Indian studies done in Northern and Northeast Indian population. Significant differences noted in the parameters between sexes and between the sides of the hip joint. Conclusion: This study indicates that there are significant differences in anthropometric parameters of proximal femur among the South Indian population compared with Western population. Even within the Indian population, the anthropometric parameters vary region to region.


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