TABLE I.

Summary statistics of the particle filter and importance sampling estimates of the stationary muscle activation parameter $a_{\text{ct}}$, when the simulated measurements are corrupted by 5% and 10% noise. The credibility interval limits are for 95% confidence.

	5% Noise		10% Noise
	MAP	Credibility	MAP	Credibility
	Estimate	Interval	Estimate	Interval
Particle filter	0.151	(0.113, 0.186)	0.158	(0.091, 0.236)
Importance sampling	0.145	(0.088, 0.228)	0.146	(0.0519, 0.316)