Table 1
Range of motion comparison between the two wear standards
IS0 18192-1
10
ASTM F2324-05
11
Cervical
Flexion extension
±7.5°
±7.5°
Lateral bending
±6.0°
±6.0°
Axial rotation
±4.0°
±6.0°
Lumbar
Flexion extension
±6°/ − 4°
±7.5°
Lateral bending
±2.0°
±3.0°
Axial rotation
±2.0°
±6.0°