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.
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
5.0 ± 1.2
2.4
8.3