Dynamic Measurement of Legs Motion in Sagittal Plane Based on Soft Wearable Sensors

Table 3

Average root-mean-square errors of motion measurement system under nonsynchronous frequency.

Walking speed (m/s)	Step frequency (Hz)	Average RMSE of hip joint (°)	Average RMSE of knee joint (°)	Average RMSE of ankle joint (°)
0.22	0.33	1.03	1.52	3.42
0.5	0.56	1.38	2.02	3.39
0.75	0.67	1.14	1.92	3.44
1.25	0.83	2.06	4.63	2.60