High Power Laser on Suboccipital Myoelectrical Activities and Quality of Life in Patients With Cervicogenic Headache

Inclusion Criteria: * Patients suffering from cervicogenic headache based on international headache society "IHS" criteria for cervicogenic headache. * Unilateral cervical radiculopathy (Upper cervical C1 -C4). * Age ranged from 30 to 50 years. * Neck pain referring unilaterally to suboccipital region. * The pain and restriction in C1-C2 rotation by Cervical Flexion-Rotation Test (FRT ) * Intensifying headache by manual pressure to upper cervical muscles and joints. * Experiencing headache at least once per week for the last 6 months. * Patients will be referred by neurological consultants. * Body mass index (18.5 - 29. 9 Kg/m2). * Moderate (45-74) to severe (75-100) neck pain on the visual analogue scale. Exclusion Criteria: * Cervical myelopathy, cervical instability, cervical fracture cervical surgery with evidence of pyramidal, posterior column disorders. * History of any neurologic disease ( stroke, MS , cerebellar disorders , vestibular dysfunction and neuropathy )Pregnant or breastfeeding women * Other types of headaches (migraine - cluster headaches- tension headache) * Patients of systemic diseases such as rheumatoid arthritis * contraindication to high-power Laser such as: * Wounds or skin changes in the neck or shoulder region (such as psoriasis, scars, or burns). * Photosensitivity diagnosis. * Tumors of some type have been diagnosed in the last 5 years. * Presence of solar urticaria or adverse reactions to sunlight.