. Author manuscript; available in PMC: 2018 Oct 1.

Published in final edited form as: Aging Clin Exp Res. 2016 Dec 20;29(5):1021–1030. doi: 10.1007/s40520-016-0693-4

Table 5. Mean (SD) lower extremity strength performance and test-retest reliability, indicated by the intraclass correlation coefficient (ICC), and standard error of measurement (SEM).

Isometric Action (N)	Mean (SD)	ICC (CI 95%)	SEM
Knee Extension	163.7 (74.5)	0.95 (0.91-0.97)	16.6
Knee Flexion	122.5 (45.1)	0.98 (0.97-0.99)	6.4
Hip Abduction	177.4 (74.5)	0.99 (0.98-0.99)	23.5
Hip Flexion	141.1 (48.0)	0.97 (0.95-0.98)	8.2
Ankle PF	267.5 (114.7)	0.97 (0.95-0.98)	19.8
Ankle DF	115.6 (47.0)	0.93 (0.87-0.96)	12.3