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. 2016 Jun 11;7(2):e30668. doi: 10.5812/asjsm.30668

Table 2. The Comparison of the Validity of Smartphone and Goniometer in Each Movement.

Movement Type/Methods Mean ± SD P Value Correlation
Elbow flexion .07 .73
Goniometer 136.15 ± 2.3
Smartphone 136.55 ± 2.49
Elbow pronation .25 .84
Goniometer 73.54 ± 4.35
Smartphone 73.95 ± 5.04
Elbow supination .28 .92
Goniometer 67.15 ± 7.09
Smartphone 67.55 ± 7.59