RecruitingClinical trialComparison of Immediate Changes in Cervical Range of Motion Following Cervical Extension and Downslip Mobilizations.The purpose of this study is to compare the efficacy seated cervical extension glides vs supine downslip glides, on both cervical rotation range of motion and patient comfort. Information gathered from this study may be used to help clinicians determine the most beneficial methods of cervical mobilizations as a rehabilitation tool.