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Immediate Effects of Posteroanterior Cervical Mobilization on Pressure Pain Threshold and Gait Parameters in Patients with Chronic Neck Pain: A Pilot Study

Background: Mobilization and cranio-cervical flexion exercise has been reported in reducing pain from cervical part and improving its motor function; also, has been represented that alleviate of neck pain and recover of neck muscles improve the normal gait performance. However, few studies have identified the effects of mobilization and exercise on pain and gait parameters with preceding issues.
Objective: To examine the effects or changes of pressure pain threshold (PPT) and gait parameters in patients with chronic neck pain.
Design: Cross-Sectional Clinical Trials
Methods: Twenty patients with the history of neck pain (>3 months) performed the cervical mobilization and cranio-cervical flexion exercise. Gait parameters were assessed with wireless device and collected data were transmitted to the personal computer via Bluetooth. The PPT was measured posteroanterior direction at the prone position and the mean of subsequent three PPT meas­urements was used for the final analysis.
Results: Both cervical central posteroanterior mobilization (CCPAM) (p<.000) and sling-based cranio-cervical flexion exercise (SBCCFE) (p<.000) group showed a significant increase in the PPT and the gait parameters, cadence (p<.023), was significantly increased in the CCPAM group, however slightly increased in the SBCCFE group. The comparison between the CCPAM and the SBCCFE groups after treatment did not show significant differences for the score on the PPT and gait parameters.
Conclusions: This study suggests that CCPAM and SBCCFE increase PPT, cadence, and gait speed.