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Table 1 Peak acceleration, angular velocity and vertical angle during falls and ADLs.

From: Pre-impact fall detection using an inertial sensor unit

Trials

Acceleration (g)

Angular velocity (°/s)

Angle (°)

   

Pitch

Roll

Sagittal

Lateral

Falls

Backward

4.1 ± 0.6

300.3 ± 59.7

45.7 ± 14.2

94.2 ± 4.7

4.7 ± 3.2

 

Forward

4.5 ± 0.5

220.6 ± 41.6

75.9 ± 17.2

89.6 ± 9.2

8.4 ± 4.6

 

Side

4.4 ± 0.6

121.2 ± 13.7

419.4 ± 61.3

6.69 ± 2.7

75.95 ± 12.4

ADLs

Sit-Stand

1.4 ± 0.2

110 ± 23.1

8.9 ± 7.6

31.1 ± 6.1

2.6 ± 1.3

 

Stand-Sit

2.2 ± 0.3

392.3 ± 61.3

11.2 ± 6.1

11.63 ± 3.1

1.12 ± 2.7

 

Sit-Lying

1.1 ± 0.1

80.7 ± 31.7

15.3 ± 3.8

90.3 ± 8.3

4.3 ± 2.8

 

Walking

2.1 ± 0.2

50.1 ± 10.9

59.3 ± 14.9

1.4 ± 6.2

2.1 ± 3.1

 

Jump

7.5 ± 1.1

421.2 ± 149.1

102.3 ± 62.1

27.3 ± 2.1

3.6 ± 3.8

 

Running

4.2 ± 0.9

132.8 ± 45.7

98.2 ± 34.9

11.5 ± 9.7

2.6 ± 4.1