Institute of Biomedical Engineering, National Cheng Kung University, 1 University Road, Tainan 701, Taiwan.
J Electromyogr Kinesiol. 2009 Dec;19(6):1071-8. doi: 10.1016/j.jelekin.2008.09.005. Epub 2008 Dec 2.
The effect of the heel height on the temporal, kinematic and kinetic parameters was investigated in 16 young and 11 elderly females. Kinematic and kinetic data were collected when the subjects ascended stairs with their preferred speed in two conditions: wearing low-heeled shoes (LHS), and high-heeled shoes (HHS). The younger adults showed more adjustments in forces and moments at the knee and hip in frontal and transverse planes. Besides a few significantly changes in joint forces and moments, the elder group demonstrated longer cycle duration and double stance phase, larger trunk sideflexion and hip internal rotation, less hip adduction while wearing HHS. Most differences in joint motions between two groups were found at the hip and knee either in LHS or HHS condition. Instead, the differences in moment occurred at the hip joint and only in HHS. The interaction of the heel height and age showed the influences of heel height on trunk rotation, hip abduction/adduction, and knee and hip force and moment at the frontal plane depended on age. These phenomena suggest that younger and elderly women adapt their gait and postural control differently during stair ascent (SA) while wearing HHS.
本研究旨在探讨鞋跟高度对 16 名年轻女性和 11 名老年女性的时间、运动学和动力学参数的影响。在两种情况下，受试者以其惯用速度上楼梯：穿着低跟鞋（LHS）和高跟鞋（HHS）。研究结果显示，年轻成年人在额状面和横断面上膝关节和髋关节的力和力矩有更多的调整。除了关节力和力矩的几个显著变化外，老年组在 HHS 时表现出更长的周期持续时间和双支撑相，更大的躯干侧屈和髋关节内旋，髋关节内收减少。在 LHS 或 HHS 条件下，两组在髋关节和膝关节的关节运动差异最大。相反，髋关节处的力矩差异仅在 HHS 时出现。鞋跟高度和年龄的相互作用表明，鞋跟高度对额状面的躯干旋转、髋关节外展/内收、膝关节和髋关节力和力矩的影响取决于年龄。这些现象表明，年轻和老年女性在穿着 HHS 上楼梯时，会以不同的方式调整步态和姿势控制。
