Effect of Dose Variations of High-Power Laser Therapy on Patients With Nonspecific Cervical Pain

Inclusion Criteria: * unilateral or bilateral CNP * Experiencing moderate to severe neck pain, defined as a Visual Analog * Scale (VAS) score of ≥4. * Cervical Range of Motion (ROM) Limitation: Documented restriction in cervical ROM compared to normal values for age and gender, to ensure the condition's impact on functional mobility * Patients agreed not to take any medication(anti-inflammatories, analgesics, or muscle relaxants) throughout the course of the study or receive any type of treatment for neck pain Exclusion Criteria: * Previous Cervical Surgery: Patients with a history of cervical spine surgery will be excluded to eliminate potential influences from post-surgical changes on the outcomes * Diagnosed with cervical disc prolapse as confirmed by clinical evaluation and imaging studies (MRI or CT scans). * History of malignancy in the cervical region or other serious medical conditions. * Severe comorbidities that may affect treatment outcomes (e.g., uncontrolled diabetes, cardiovascular diseases). * Pregnancy or lactation.