|
Variable
|
Range of Motion
|
Correlation and Agreement Estimates
|
|---|
|
Vicon
|
Captury
|
RMC
|
RMSE
|
LLoA
|
MD
|
ULoA
|
|---|
|
Squats
|
|
Knee Flexion (°)
|
−21.7 to 146.0
|
−17.1 to 161.2
|
0.99
|
6.4
|
−25.1
|
−10.8
|
3.5
|
|
Hip Flexion (°)
|
−10.9 to 111.9
|
−19.6 to 125.2
|
0.92
|
11.4
|
− 32.9
|
−0.6
|
31.8
|
|
Ankle Dorsi Flexion (°)
|
−42.8 to 52.1
|
− 64.6 to 60.9
|
0.95
|
4.3
|
−13.5
|
− 1.0
|
11.5
|
|
Knee Varus (°)
|
−30.4 to 43.5
|
−28.8 to 20.8
|
0.28
|
5.9
|
−32.5
|
− 6.7
|
19.1
|
|
FP Projection Angle (°)
|
− 164.0 to 176.2
|
− 179.9 to 179.9
|
0.74
|
15.7
|
− 84.1
|
−5.9
|
72.3
|
|
FP Knee Angle (°)
|
−10.7 to 29.7
|
−16.6 to 37.5
|
0.83
|
3.7
|
−9.2
|
0.7
|
10.5
|
|
FP Knee Deviation (mm)
|
−34.2 to 146.0
|
−52.4 to 176.1
|
0.88
|
10.6
|
−33.6
|
−1.1
|
31.4
|
|
Knee-Hip SDR (ratio)
|
0.71 to 3.73
|
0.42 to 3.89
|
0.96
|
0.08
|
−0.36
|
0.01
|
0.38
|
|
Ankle-Hip SDR (ratio)
|
0.47 to 2.01
|
0.42 to 1.96
|
0.88
|
0.05
|
−0.26
|
0.03
|
0.32
|
|
Jumps
|
|
Knee Flexion (°)
|
−17.0 to 136.9
|
−15.0 to 155.1
|
0.93
|
10.4
|
−26.4
|
−3.6
|
19.3
|
|
Hip Flexion (°)
|
−9.1 to 116.9
|
−16.6 to 141.0
|
0.77
|
16.9
|
−34.1
|
7.4
|
49.0
|
|
Ankle Dorsi Flexion (°)
|
−56.9 to 49.5
|
− 80.3 to 63.5
|
0.88
|
11.0
|
−32.4
|
3.6
|
39.6
|
|
FP Projection Angle (°)
|
−176.7 to 177.6
|
−179.2 to 178.6
|
0.38
|
20.3
|
−66.0
|
−0.2
|
66.4
|
|
FP Knee Angle (°)
|
−45.2 to 85.8
|
−47.7 to 90.7
|
0.75
|
6.6
|
−14.8
|
0.5
|
15.8
|
|
FP Knee Deviation (mm)
|
−33.1 to 81.9
|
− 67.8 to 149.7
|
0.63
|
12.6
|
−45.7
|
−1.0
|
43.8
|
|
Knee-Hip SDR (ratio)
|
0.67 to 3.29
|
0.42 to 3.71
|
0.95
|
0.11
|
−0.42
|
0.02
|
0.45
|
|
Ankle-Hip SDR (ratio)
|
0.53 to 5.83
|
0.57 to 6.55
|
0.98
|
0.13
|
−0.46
|
0.02
|
0.49
|
- Note: Range of motion values reflects the minimum and maximum values observed across all trials
- FP Frontal Plane, SDR Separation Distance Ratio, RMC Repeated Measures Correlation Coefficient, RMSE Root Mean Square Error, LLoA Lower Limit of Agreement, MD Mean Difference, ULoA Upper Limit of Agreement
- aThrough range kinematics specifies all points measured throughout the full range of motion
