Fig. 5From: Effect of preoperative dynamic cervical sagittal alignment on the loss of cervical lordosis after laminoplastyRanges of Ext ROM and Flex ROM (25% quartile-75% quartile). The ranges of Ext ROM in the three groups were 7–15°; 4–11.5°; and 2–8°, respectively. The ranges of Flex ROM in three groups were 23–37°; 23–41°; and 27–46°, respectively. Flex ROM, cervical spine range of flexion; Ext ROM, cervical spine range of extensionBack to article page