Biomechanics dataset of healthy human walking at various conditions

Ten healthy human participants performed 33 walking trials in which various speeds, step frequencies, step lengths, and step widths were examined. Speeds ranged from 0.7-2.0 m/s, step frequencies ranged from 55-140 % of participants preferred step frequencies, step lengths ranged from 0.5-1.1 m, and step widths ranged from 0-0.4 m. Speeds were set on the treadmill and step length and step frequency were controlled by an audio cue. Ground reaction force data was sampled at 1200 Hz and the motion capture data was sampled at 120 Hz. Each participant had 35 markers placed on their upper and lower body. The raw data files (.c3d files) contain force plate data and motion capture data for the entire 90s for each trial. This data was then analyzed using Visual 3D software. Inverse dynamics was computed on the lower limbs to obtain joint positions, angles, moments, powers, forces, and velocities. These inverse dynamics data were then exported to MATLAB (.mat files) for further analysis.

10名健康人类受试者完成了33组行走测试试验，试验中考察了不同的行走速度、步频、步长及步宽。其中行走速度范围为0.7~2.0 m/s，步频范围为受试者自主偏好步频的55%~140%，步长范围为0.5~1.1 m，步宽范围为0~0.4 m。行走速度通过跑步机设定，步长与步频由音频提示进行控制。地面反作用力数据采样率为1200 Hz，运动捕捉数据采样率为120 Hz。每名受试者的上下肢体表均粘贴了35个标记点。原始数据文件（.c3d格式）包含每组试验完整90秒时长的测力台数据与运动捕捉数据。随后采用Visual 3D软件对该数据进行分析，针对下肢开展逆动力学计算以获取关节位置、角度、力矩、功率、作用力及速度数据。最后将上述逆动力学数据导出至MATLAB（.mat格式文件）以开展后续分析。