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Kim, Lee, Min, Choi, Lee, and Shin: Radiologic Measurement of Pelvic Sagittal Incidence and Lordosis in Young Korean Women
Original Article

Journal of the Korean Orthopaedic Association 2005; 40(1): 14-18.

Published online: 28 December 2017

DOI: https://doi.org/10.4055/jkoa.2005.40.1.14

Radiologic Measurement of Pelvic Sagittal Incidence and Lordosis in Young Korean Women

Won Joong Kim, Sang Ho Lee, Sang Hyuk Min, Byung Kwan Choi, Eun Suk Lee, Song Woo Shin

Department of Orthopedic Surgery, Wooridul Spine Hospital, Seoul, Korea.

Department of Neurosurgery, Wooridul Spine Hospital, Seoul, Korea.

frangie@wooridul.co.kr

Copyright © 2005 The Korean Orthopaedic Association

Abstract

Purpose

To determine the normative data for the pelvic morphology parameters in the young Korean female population.

Materials and Methods

Young Korean female patients in 20s and 30s who had visited the outpatient clinic for a first attack acute sprain underwent a telephone interview at a minimum of 1 year after their last hospital visit. Those who had recovered completely and had no back-related complaints were selected for the pelvic lordosis angle (PRS1)and pelvic angle of incidence (AOI)measurements (n=40 each age group).

Results

There was no age difference in both parameters. The PRS1 in the young female population was 38.7±8.3 ° (range: 13.6-52.9 ° and the AOI was 48.5 ±9.4 °(range: 30.5-74.7 °, which shows a close correlation between the two parameters (correlation coefficient, r=-0.965). The linear regression equation obtained is as follow; Equation I: PRS1=79.909-0.850 x AOI, Equation II: AOI=90.902-1.096xPRS1 (linear regression analysis, p=0.000, R2 =0.931).

Conclusion

The data obtained from the study may be used for future studies related to the sagittal spinopelvic balance.

Keywords: Pelvic lordosis, Pelvic incidence, Sagittal spinal alignment

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