Table 1. The results of the multiple regression analysis for age and strength on each movement dexterity task.

Variables	Parameter B	SE	Standardised β	Model R2	sr2 (unique)
Steadiness
Intercept	5.12	0.58
Age	0.17 ***	0.03	.46		0.18
Strength	- 0.14 **	0.05	-.23	0.35 ***	0.04
Line Tracking
Intercept	14.80	0.78
Age	0.28 ***	0.04	.53		0.23
Strength	- 0.15 **	0.7	-.18	0.40 ***	0.03
Aiming
Intercept	35.86	0.37
Age	- 0.06 ***	0.02	-.26		0.06
Strength	0.19 ***	0.03	.46	0.39 ***	0.18
Tapping
Intercept	63.28	0.62
Age	- 0.13 ***	0.03	-.30		0.08
Strength	0.35 ***	0.06	.49	0.46 ***	0.20

* p < 0.05;

**p < 0.01;

***p < 0.001.