Cheng J C, Chan P S, Chiang S C, Hui P W
Department of Orthopaedics and Traumatology, Faculty of Medicine, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, N.T.
J Pediatr Orthop. 1991 Mar-Apr;11(2):154-61. doi: 10.1097/01241398-199103000-00003.
Angular and rotational profile of the lower limbs of 2,630 normal Chinese children from newborn to age 12 years were compiled using tibiofemoral angle, intercondylar, intermalleolar distance, medial and lateral rotation of the hip, and thigh-foot angle. Children with clinical tibiofemoral angles, intercondylar or intermalleolar distances tended to be bowlegged at birth, maximally knock-kneed at age 3 and to have normal lower limbs by age 8. Medial hip rotation increased steadily from birth to a maximum of 56 degrees at age 9, and lateral hip rotation decreased from birth to a minimum of 30 degrees at age 9. Significant differences between Chinese children and children of other races were highlighted.
通过测量胫股角、髁间距离、内踝间距离、髋关节的内旋和外旋以及大腿-足部角度，收集了2630名从新生儿到12岁的正常中国儿童下肢的角度和旋转轮廓数据。患有临床胫股角、髁间或内踝间距离问题的儿童在出生时往往呈膝内翻，在3岁时最大程度地膝外翻，到8岁时下肢恢复正常。髋关节内旋从出生到9岁稳步增加，最大可达56度，髋关节外旋从出生到9岁逐渐减少，最小可达30度。研究强调了中国儿童与其他种族儿童之间的显著差异。
