Table 4.

Results of correlation analysis between the inter-keystroke interval at the fastest tempo and the movement variables for all players.

Variable			Bootstrapping
	Correlation		95% confidence limit
	r	p	Lower	Upper	p
Peak elbow rotational velocity	−0.75	0.012*	−0.98	−0.31	0.002*
Peak digit rotational velocity	0.64	0.048	−0.23	0.86	0.061
Time at peak key velocity	0.86	0.001*	0.58	0.95	0.001*
Coactivation index (CI)	0.60	0.064	−0.32	0.86	0.039

r: correlation coefficient, p: p-value *p < 0.0125 with Bonferonni correction.