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Table 1 Knee error

From: Validation of the angular measurements of a new inertial-measurement-unit based rehabilitation system: comparison with state-of-the-art gait analysis

Exercise:

Knee flexion

 

Target ROM

Mean distance

MIN mean dist.

MAX mean dist.

Knee flexion

0 - 95

3.9 ± 0.7

2.2

6.1

Knee extension

0 - 90

3.8 ± 0.8

1.8

5.9

Lunge

0 - 100

4.5 ± 1.3

2.0

7.9

Squat

0 - 100

5.0 ± 1.2

2.4

8.3

  1. Differences between IMU and GA for knee flexion angles [deg] over the 17 subjects analyzed.