Age and sex differences in coronal lower extremity alignment in a healthy Asian population

The purpose of this study was to analyze the coronal alignment of lower extremities according to age and sex in a healthy population and demonstrate the differences. Standing full-lower limb anteroposterior (AP) radiographs of healthy volunteers (670 males and 782 females) aged 18-69 years were retr...

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Bibliographic Details
Published in:The knee 2023-12, Vol.45, p.198-206
Main Authors: Hwang, Doohyun, Wook Choi, Min, Kim, Seong-Hwan, Han, Hyuk-Soo, Bum Chang, Chong, Chul Lee, Myung, Lee, Na-Kyoung, Hyun Ro, Du
Format: Article
Language:English
Subjects:
Kinematic alignment
Lower limb alignment
Mechanical alignment
Normal alignment
Total knee arthroplasty
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Summary:The purpose of this study was to analyze the coronal alignment of lower extremities according to age and sex in a healthy population and demonstrate the differences. Standing full-lower limb anteroposterior (AP) radiographs of healthy volunteers (670 males and 782 females) aged 18-69 years were retrospectively analyzed. The hip–knee–ankle angle (HKA), lateral distal femoral angle (LDFA), medial proximal tibial angle (MPTA), joint line convergence angle and femoral bowing angle (FBA) were measured. The radiographic parameters were compared according to groups of age and sex. The proportion of volunteers with varus or valgus alignment more than 3° were also analyzed. With increasing age, HKA and LDFA varus increased. With increasing age, femoral medial bowing decreased. In addition, the HKA showed more varus alignment in males than in females (178.01° vs. 178.82°, P
ISSN:0968-0160
1873-5800
DOI:10.1016/j.knee.2023.09.009