School of Engineering and Design, Brunel University, Uxbridge, Middlesex, UK.
Ergonomics. 2009 Oct;52(10):1298-304. doi: 10.1080/00140130903003115.
The 3-D gait analysis of military load carriage is not well represented, if at all, within the available literature. This study collected 3-D lower limb kinematics and spatiotemporal parameters in order to assess the subsequent impact of carrying loads in a backpack of up to 32 kg. Results showed the addition of load significantly decreased the range of motion of flexion/extension of the knee and pelvic rotation. Also seen were increases in adduction/abduction and rotation of the hip and pelvis tilt. No changes to ankle kinematics were observed. Alterations to the spatiotemporal parameters of gait were also of considerable interest, namely, an increase in double support and a decrease in preferred stride length as carried load increased. Analysing kinematics during military or recreational load carriage broadens the knowledge regarding the development of exercise-related injuries, while helping to inform the human-centred design process for future load carrying systems. The importance of this study is that limited available research has investigated 3-D lower limb joint kinematics when carrying loads.
军事负重的 3-D 步态分析在现有文献中如果有体现，也非常有限。本研究收集了 3-D 下肢运动学和时空参数，以评估背负重达 32 公斤背包的后续影响。结果表明，负重显著降低了膝关节的屈伸范围和骨盆旋转。还观察到髋关节的内收/外展和旋转以及骨盆倾斜的增加。踝关节运动学没有变化。步态的时空参数也发生了明显的变化，即随着负重的增加，双支撑时间增加，首选步长减少。分析军事或娱乐性负重时的运动学，拓宽了与运动相关的损伤发展的知识，同时有助于为未来的负重系统提供以人为本的设计过程。这项研究的重要性在于，有限的现有研究已经调查了携带负荷时 3-D 下肢关节运动学。
