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. 2015 May;50(5):460–466. doi: 10.4085/1062-6050-50.2.05

Table 1.

Goniometric and Trigonometric Technique Measurements of Hip-Joint Angle

Technique, °
Goniometric
Trigonometric
Mean ± SD (95% Confidence Interval)
Range
Mean ± SD (95% Confidence Interval)
Range
Examiner
Test
Retest
Test
Retest
1 14 ± 6 (12, 17) 16 ± 5 (13, 18) 20.0 31 ± 8 (28, 35) 33 ± 8 (28, 35) 33.0
2 17 ± 5 (15, 19) 15 ± 6 (13, 17) 23.0 33 ± 8 (30, 37) 33 ± 9 (29, 36) 33.7