Table 3

Muscular Groups	Test-retest reliability				Inter-rater reliability
Muscular Groups	n	First trial	Means of two trials	Means of three trials	n	First trial	Means of two trials	Means of three trials
Non-paretic upper extremity
Hand grip	29	0.92*	0.95*	0.95*	30	0.92*	0.97*	0.97*
Pulp-to-pulp pinch	29	0.84*	0.89*	0.91*	30	0.91*	0.94*	0.94*
Palmar pinch	29	0.71*	0.89*	0.90*	30	0.74*	0.88*	0.91*
Lateral pinch	29	0.79*	0.90*	0.89*	30	0.88*	0.92*	0.93*
Paretic upper extremity
Hand grip	25	0.88*	0.96*	0.97*	25	0.90*	0.97*	0.98*
Pulp-to-pulp pinch	21	0.58***	0.84*	0.84*	20	0.62**	0.83*	0.84*
Palmar pinch	19	0.64*	0.76*	0.79*	15	0.87*	0.93*	0.91*
Lateral pinch	23	0.65*	0.84*	0.86*	23	0.84*	0.94*	0.96*
Trunk
Anterior trunk flexors	33	0.74*	0.83*	0.86*	22	0.71*	0.85*	0.86*
Trunk extensors	34	0.80*	0.88*	0.88*	22	0.69*	0.85*	0.85*
Right lateral trunk flexors	34	0.78*	0.88*	0.89*	22	0.77*	0.89*	0.90*
Left lateral trunk flexors	34	0.72*	0.86*	0.85*	22	0.80*	0.89*	0.89*
Right trunk rotators	33	0.80*	0.91*	0.91*	21	0.73*	0.85*	0,85*
Left trunk rotators	33	0.75*	0.89*	0.89*	22	0.60**	0.73***	0.75**

*p≤0.001; **p=0.002;***p=0.003

Table 3: Intra-class correlation coefficients for the test-retest and inter-rater reliabilities for the strength assessment of both the non-paretic and paretic upper extremities and trunk with portable dynamometers (Kgf) considering various sources of outcome values.