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Spine-specific treatment shows better long-term symptom relief versus non-spine-specific conventional treatments. Data reported for the improvement in cervical lordosis and are weighted average from 4 randomized clinical controlled trials (RCTs).72,74,75,77 Note: Red line = conventional treatments (n = 166); blue line = conventional treatments plus extension traction to improve cervical lordosis (n = 166). Y-axis = pain intensity (0 = no pain; 10 = worst pain ever).
