Stepping performance was reflected by normalized step length (SL), step reaction time (SRT), step single limb support time (SST), step movement time (SMT) and speed of COP (COPspeed).

• 跨步动作表现以标准化跨步步长、跨步反应时间、单脚承重时间、动作时间、足底压力中心移动轨迹模式与移动速率等变数反应之。