The investigators concluded patients who have never walked are not at risk for spondylolisthesis because their spines are not subject to the same forces as those who ambulate.

• 作者认为：从未行走过的人不存在脊椎前移的风险，因为他们的脊柱受力和行走的人不一样。能行走的脑瘫病人脊椎前移的发病率和普通人群相似。