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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2024, Vol. 18 ›› Issue (06): 778-784. doi: 10.3877/ cma.j.issn.1674-134X.2024.06.012

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Research progress on biomechanics of abnormal femoral anteversion

Yinxi Chen1, Hui Li2,()   

  1. 1.The First Clinical Medical College of Shaanxi University of Chinese Medicine, Xianyang 712046, China
    2.The Comprehensive Department of the Arthropathy Hospital, Xi'anHonghui Hospital, Xi'an 710054, China
  • Received:2024-05-06 Online:2024-12-01 Published:2025-02-11
  • Contact: Hui Li

Abstract:

Femoral anteversion (FA) is an angle that describes the rotation or torsionof the proximal femur relative to posterior condyle line. Abnormal FA has a great influence on the kinematics and dynamics of the joints of the lower limbs.There are great differences in FA among individuals, and the measurement methods have not yet been unified. At present, the most commonly adopted normal value of FA ranges from 5°to 20°. Abnormal FA, including excessive anteversion and relative retroversion, could change the mechanical environment of the hip joint, and contribute to the occurrence and development of developmental dysplasia of hip and femoroacetabular impingement. Abnormal FA leads to alteration of the movement pattern, which could subsequently cause damage of the acetabular cartilage, labrum and even bone. Accurate measurement and meticulous evaluation of FA are helpful to formulate personalized preoperative planning, thereby further improving the efficacy of hip joint preserving operation.

Key words: Joint instability, Hip joint, Femur, Developmental dysplasia of hip, Femoroacetabular impingement

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