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Table 1 Optimal high cutoff frequency for each sensor at different transitions during a TUG task

From: Auto detection and segmentation of physical activities during a Timed-Up-and-Go (TUG) task in healthy older adults using multiple inertial sensors

Transition

Sensor

 

1

Freq (Hz)

2

Freq (Hz)

3

Freq (Hz)

1.

Sit-to-Stand

Trunk az

1.57

Hip ωx

0.69

  

2.

Stand-to-Walk

Trunk az

2.44

L Knee ROM

8.30

  

3.

Walk-to-Turn

Trunk vy

1.32

Head ωx

0.79

Hip vy

0.98

4.

Turn-to-Walk

Hip vy

0.53

Head ωx

0.41

  

5.

Walk-to-Turn

Trunk vy

1.00

Hip ωy

0.59

  

6.

Turn-to-Stand

Trunk vy

1.00

Hip ωy

0.81

  

7.

Stand-to-Sit

Hip az

1.07