Table 1.
Intra-rater reliability (ICC 1.1) for ROM measurements
| Test
mean ±SD (°) |
Retest
mean ±SD (°) |
ICC
1.1 (95% CI) |
SEm
(°) |
LOA
(°) |
Fixed error | Proportional bias | MDC
(°) |
|||
| 95%
CI |
Result | Regression
coefficient |
Result | |||||||
| Straight leg raise angle | 67.3
±19.6 |
66.6
±19.6 |
0.939
(0.89, 0.97) |
4.87 | –8.99
~ 10.39 |
–1.50
~ 2.90 |
No | p=0.998 | No | 13.50 |
| Ankle dorsiflexion angle | 11.2
±5.7 |
10.8
±5.6 |
0.668
(0.455, 0.809) |
3.28 | –6.13
~ 6.93 |
–1.09
~ 1.89 |
No | p=0.97 | No | 9.10 |
| Hip internal rotation angle | 40.4
±12.0 |
40.4
±11.6 |
0.901
(0.821, 0.946) |
3.76 | –7.50
~ 7.45 |
–1.72
~ 1.67 |
No | p=0.59 | No | 10.41 |
SD: standard deviation
95% CI: 95% confidence interval
SEm: standard error of the measurement
LOA: limit of agreement
MDC: minimal detectable change
ICC: intraclass correlation coefficient
ROM: range of motion