Table 2 Test-retest reliability
From: Stature is an essential predictor of muscle strength in children
Muscle function | Side | Mean | Mean of difference | SD of difference | SEM | Relative SEM (%) | ICC | ICC 95%CI |
|---|---|---|---|---|---|---|---|---|
Handgrip | ND | 196.1 | −8.4 | 28.9 | 20.4 | 10.4 | 0.949 | [0.911 ; 0.971] |
D | 211.5 | −1.2 | 29.6 | 20.9 | 9.9 | 0.957 | [0.926 ; 0.975] | |
Elbow flexion | ND | 24.2 | −0.3 | 3.4 | 2.4 | 10.0 | 0.969 | [0.947 ; 0.981] |
D | 25.7 | −0.6 | 4.2 | 3.0 | 11.7 | 0.954 | [0.923 ; 0.973] | |
Elbow extension | ND | 19.0 | −0.2 | 2.7 | 1.9 | 10.2 | 0.962 | [0.936 ; 0.977] |
D | 19.2 | −0.2 | 3.1 | 2.2 | 11.2 | 0.950 | [0.916 ; 0.970] | |
Knee flexion | ND | 40.7 | −1.5 | 7.3 | 5.2 | 12.7 | 0.945 | [0.908 ; 0.968] |
D | 41.9 | −1.4 | 8.3 | 5.8 | 14.0 | 0.930 | [0.884 ; 0.958] | |
Knee extension | ND | 78.7 | −5.3 | 17.1 | 12.1 | 15.4 | 0.945 | [0.908 ; 0.968] |
D | 84.5 | −6.0 | 17.6 | 12.4 | 14.7 | 0.926 | [0.870 ; 0.957] |