Neck Flexion Angle Estimation during Walking

Table 1

CVA and NFA in static case (unit: degrees).

Static case	10 sec no change	Level 1	Level 2	Level 3	Level 4	Level 5
Mean (NFA)	83.6211	82.4773	76.2310	66.1847	58.4557	45.9955
Mean (CVA)	49.3835	48.5494	40.7722	30.2919	22.7974	9.2151
Mean (NFA − CVA)	34.2376	33.9280	35.4588	35.8928	35.6582	36.7804
Var (NFA − CVA)	0.0632	0.0461	0.0518	0.0273	0.0340	0.0681