Locomotion Research Laboratory, Grado Department of Industrial and System Engineering, 0118, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA.
J Biomech. 2012 Apr 5;45(6):1042-7. doi: 10.1016/j.jbiomech.2011.12.021. Epub 2012 Feb 2.
Obesity is associated with structural and functional limitations with impairment of normal gait. Although falls have been identified as the most common cause of injuries in the obese, the mechanisms associated with increased fall risk among the obese population are still unknown. The purpose of this study was to investigate the influence of gait adaptations of the obese individuals and its implication on risk of slip initiations as measured by friction demand characteristics. To exclude the aging and gender effects, a total of ten healthy young male adults participated in the study. Kinematic and kinetic data were collected using a three-dimensional motion analysis system and force plates while subjects were walking at their self-selected walking pace. Results indicated that young obese adults walked similarly as their lean counterparts except for exhibiting greater step width and higher transversal friction demand, suggesting that slip-induced fall risks are similar along the horizontal direction, but increased along the transversal direction under certain floor conditions.
肥胖与结构和功能限制有关，会影响正常步态。尽管跌倒已被确定为肥胖者受伤的最常见原因，但肥胖人群中与跌倒风险增加相关的机制仍不清楚。本研究的目的是调查肥胖者步态适应的影响及其对摩擦需求特征测量的滑倒启动风险的影响。为了排除年龄和性别影响，共有 10 名健康年轻男性成年人参与了这项研究。运动学和动力学数据是使用三维运动分析系统和测力板收集的，同时要求受试者以自选的步行速度行走。结果表明，年轻肥胖成年人的行走方式与瘦弱成年人相似，只是步幅更大，横向摩擦力需求更高，这表明在某些地面条件下，滑倒引起的跌倒风险在水平方向上相似，但在横向方向上增加。
