Department of Exercise and Sport Science and Center on Aging, University of Utah, Salt Lake City, Utah 84112, USA.
J Arthroplasty. 2012 Jun;27(6):1183-9. doi: 10.1016/j.arth.2012.01.018. Epub 2012 Mar 3.
Knee osteoarthritis (OA) accounts for more functional disability of the lower extremity than any other disease. We recruited 18 patients with knee OA and 18 healthy age-, height-, mass-, and gender-matched control subjects to investigate the effects knee OA has on select spatial and temporal gait variables during a stair climbing task. No group-by-direction interaction was observed; however, significant effects did occur for group and direction. Specifically, patients with knee OA demonstrated less time in single support, greater time in double support, decreased step length, greater step width, less stride length, decreased total gait velocity, greater total time in support, and less total time in swing, compared with controls. Early-stage knee OA directly influences specific temporal and spatial gait characteristics during stair climbing.
膝骨关节炎（OA）导致的下肢功能障碍比任何其他疾病都多。我们招募了 18 名膝骨关节炎患者和 18 名年龄、身高、体重和性别匹配的健康对照者，以研究膝骨关节炎对爬楼梯任务中选择的空间和时间步态变量的影响。未观察到组间-方向交互作用；然而，组间和方向间确实存在显著差异。具体来说，与对照组相比，膝骨关节炎患者的单支撑时间减少，双支撑时间增加，步长减小，步宽增大，步长减小，总步行速度减小，支撑时间增加，摆动时间减少。早期膝骨关节炎直接影响爬楼梯时特定的时间和空间步态特征。
