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Table 3 Test-retest consistency for kinematic variables. The mean difference, 95% confidence intervals of mean difference and 95% limits of agreement in test and retest for total movement time, peak velocity and joint angles (n = 6).

From: Three-dimensional kinematic motion analysis of a daily activity drinking from a glass: a pilot study

Kinematic variables Mean difference (95%CI) 95% CI of mean difference 95% LOA
Total movement time (s) 0.00 -0.22, 0.23 -0.43, 0.44
Peak velocity in reaching (mm/s) -17.1 -52.2, 18.0 -84.0, 49.7
Shoulder abduction in drinking (°) 1.5 -2.4, 5.5 -5.98, 9.01
Shoulder flexion in drinking (°) 0.12 -1.4, 1.6 -2.79, 3.02
Elbow extension in grasping (°) -0.16 -2.7, 2.4 -5.0, 4.7
Elbow flexion in drinking (°) 0.02 -1.7, 1.7 -3.3, 3.3