Peak angles averaged over the three cycles during the Single Leg Squat test for BTS (considered as reference standard) and IPI software-Kinect configuration
| Test | Movement | System | Mean (SD) | 95% CI | ICC(2,k) (95% CI) | P value | SEM | MDC | |
| (deg) | Lower (deg) | Upper (deg) | (deg) | (deg) | |||||
| SLS_L (n=34) | Hip flexion | BTS | −30.3 (17.5) | −36.4 | −24.2 | 0.896 (–0.09 to 0.97) | 0.000 | 4.1 | 11.3 |
| iPi | −40.6 (18.0) | −46.9 | −34.3 | ||||||
| Hip adduction | BTS | −18.6 (5.5) | −20.6 | −16.7 | 0.749 (0.49 to 0.88) | 0.029 | 3.3 | 9.2 | |
| iPi | −20.5 (5.4) | −22.4 | −18.6 | ||||||
| Knee flexion | BTS | 30.0 (8.6) | 27.0 | 33.0 | 0.932 (0.71 to 0.98) | 0.000 | 2.5 | 6.8 | |
| iPi | 32.8 (8.5) | 29.8 | 35.7 | ||||||
| Knee adduction | BTS | −17.5 (6.1) | −19.6 | −15.3 | 0.830 (0.57 to 0.92) | 0.001 | 2.6 | 7.3 | |
| iPi | −15.3 (4.5) | −16.8 | −13.7 | ||||||
| SLS_R (n=34) | Hip flexion | BTS | −49.1 (14.8) | −54.3 | −44.0 | 0.767 (–0.12 to 0.94) | 0.000 | 3.9 | 10.9 |
| iPi | −63.9 (14.7) | −69.0 | −58.7 | ||||||
| Hip adduction | BTS | 22.8 (4.7) | 21.1 | 24.4 | 0.684 (–0.13 to 0.89) | 0.000 | 2.6 | 7.2 | |
| iPi | 27.1 (5.1) | 25.3 | 28.9 | ||||||
| Knee flexion | BTS | 25.9 (9.8) | 22.5 | 29.4 | 0.947 (0.83 to 0.98) | 0.001 | 2.8 | 7.8 | |
| iPi | 28.5 (10.7) | 24.8 | 32.3 | ||||||
| Knee adduction | BTS | 18.3 (5.8) | 16.3 | 20.3 | 0.665 (0.08 to 0.86) | 0.000 | 3.0 | 8.2 | |
| iPi | 14.7 (3.8) | 13.4 | 16.1 | ||||||
ICC(2,k), intraclass correlation coefficient (absolute agreement); MDC, minimal detectable change calculated as SEMx1.96x√2. P<0.05; SEM, SE of the measure calculated as the square root of the residual mean square; SLS_L, Single Leg Squat Left; SLS_R, Single Leg Squat Right.