Table 2 Comparison between the modified and original algorithm and IMU selection
Activity | Original methodology | Modified methodology |
|---|---|---|
Standing up | • Trunk a z | • Trunk a z |
• Thigh a y | • Thigh a y | |
• θ hip | ||
Sitting down | • Trunk a z | • Trunk a z |
• Thigh a y | • Thigh a y | |
• f cutoff = 1.58 Hz | • θ hip | |
• f cutoff = 0.9 Hz | ||
Turning | • Trunk ωy | • Trunk ωy |
Walking | • Sacrum ωy | • Shin a y |
• Normalize thresholding | • θ hip | |
• Adaptive thresholding |