Hejgaard N, Kjaerulff H
Int Orthop. 1987;11(3):223-5. doi: 10.1007/BF00271452.
A seven-year-old girl, whose right knee gave way, was found to have anterolateral instability of the joint associated with congenital aplasia of the anterior cruciate ligament. Instability was present in the final 30 degrees of extension, and has been controlled by a brace which prevented this movement.
一名七岁女童右膝发软，经检查发现其关节前外侧不稳定，伴有先天性前交叉韧带发育不全。伸直最后30度时存在不稳定情况，目前通过佩戴支具控制这种动作，已得到有效控制。
