Table 3.

R² performance post-hoc comparisons for each joint.

Articulation	Opt. State		(I)	(J)	p-value
	(I)	(J)	μ±σ	μ±σ
Elbow	No	GA	0.81 ± 0.06	0.90 ± 0.04	0.002
	No	Lin	0.81 ± 0.06	0.85 ± 0.06	0.015
	Lin	GA	0.85 ± 0.06	0.90 ± 0.04	0.016
Shoulder	No	GA	0.82 ± 0.06	0.92 ± 0.03	0.002
	No	Lin	0.82 ± 0.06	0.91 ± 0.03	0.001
	Lin	GA	0.91 ± 0.03	0.92 ± 0.03	0.034