Implementation and Evaluation of a Dynamic Neck Brace Rehabilitation Device Prototype

Table 6

Symmetric traction about x-axis (right/left lateral bending).

Movement	Desired ψ (deg)	Calculated ψ (deg)	Measured ψ (deg)
Right lateral bending	−6	−5.97 ± 0.11	−6.20 ± 0.11
	−5	−5.05 ± 0.09	−5.33 ± 0.11
	−4	−3.95 ± 0.24	−4.11 ± 0.22
	−3	−2.99 ± 0.15	−3.14 ± 0.22
	−2	−1.87 ± 0.26	−1.88 ± 0.27
	−1	−1.00 ± 0.13	−1.02 ± 0.13
Left lateral bending	1	0.99 ± 0.17	1.03 ± 0.19
	2	1.82 ± 0.20	1.78 ± 0.25
	3	2.98 ± 0.11	3.09 ± 0.15
	4	3.90 ± 0.16	4.00 ± 0.21
	5	5.04 ± 0.07	5.27 ± 0.11
	6	5.99 ± 0.15	6.33 ± 0.15