Research Article
Validity and Reliability of Elbow Range of Motion Measurements Using Digital Photographs, Movies, and a Goniometry Smartphone Application
Table 3
Intraobserver reliability (ICC) and mean difference (∆) and 95% CI of UG, photography, and movie and smartphone application measurements.
| | | UG | Photography | Movie | Smartphone application |
| Flexion | ICC (95% CI) ∆ (95% CI) (°) | 0.50 (0.31-0.67) 3 (2.1 to 3.9) | 0.87 (0.81-0.92) 1 (0.7 to 1.3) | 0.94(0.89-0.97) 1 (0.7 to 1.3) | 0.60 (0.36-0.76) 4 (3.4 to 4.6) |
| Extension | ICC (95% CI) ∆ (95% CI) (°) | 0.84 (0.75-0.91) 2 (1.7 to 2.3) | 0.82 (0.73-0.88) 1 (0.7 to 1.3) | 0.96(0.93-0.98) 1 (0.7 to 1.3) | 0.45 (0.16-0.66) 3 (2.4 to 3.6) |
| Pronation | ICC (95% CI) ∆ (95% CI) (°) | 0.71 (0.57-0.81) 3 (2.4 to 3.6) | 0.72 (0.59-0.81) 3 (2.1 to 3.9) | 0.94(0.98-0.97) 2 (1.7 to 2.3) | 0.58 (0.33-0.75) 6 (3.2 to 8.8) |
| Supination | ICC (95% CI) ∆ (95% CI) (°) | 0.47 (0.28-0.65) 4 (2.1 to 5.9) | 0.71 (0.57-0.81) 3 (2.4 to 3.6) | 0.95(0.92-0.98) 2 (1.7 to 2.3) | 0.31 (0.02-0.56) 5 (3.1 to 6.9) |
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