Effect of long-term cervical extensor exercise program on functional disability, pain intensity, range of motion, cervical muscle mass, and cervical curvature in young adult population with chronic non-specific neck pain: a randomized controlled trial

Table 3 Cervical curvatures in the two study groups at different follow-up time points

NA: not applicable; a: comparison of the proportion of participants with lordotic curvature between groups at different follow-up time points; b: 70 participants (35 in the control group, 35 in the observation group) were included in the statistical analysis at the baseline; c: 65 participants (32 in the control group, 33 in the observation group) were included in the statistical analysis at the 3-month follow-up; d: 61 participants (30 in the control group, 31 in the observation group) were included in the statistical analysis at the 6-month follow-up; e: 48 participants (23 in the control group, 25 in the observation group) were included in the statistical analysis at the 12-month follow-up

ISSN: 1749-799X