Suboccipital Muscle Inhibition Technique vs Rocabado Exercises on Cervicogenic Headache

Inclusion Criteria: * Participants with a history of chronic CGH (\>3 months) * CGH pain intensity between 3 and 8 on NPRS * Participants who had a unilateral headache that do not shift side (ipsilateral neck pain/stiffness) * Pain at least once a week in the previous three months, chronic, episodic, and duration one hour to weeks (non-throbbing pain starts in the neck). * CGH due to cervical spine dysfunction * Neck pain followed by headache * Patients with neck stiffness and movement restriction were included. * Flexion Rotation Test results that are positive with a restriction of more than 10 degrees. Exclusion Criteria: * Participants with other types of headache migraine, sinus, tumor, neural, or temporomandibular joint issues) * Cervicogenic headache patients with mixed headache or any diagnosed serious pathology of alar ligament and vertebra basilar artery insufficiency * Any contraindications to manual and manipulative therapy (fracture, instability, osteoporosis, arthropathy, or neural symptoms) * Using analgesics or corticosteroids * Metastasis * Cardiac conditions (stroke, hypertension, or syncope) * Neurological conditions (radiculopathy, myelopathy, or disc problems) * Spinal cord problem * Previous brain and spinal cord surgery * Occlusal splints or any surgery in Temporomandibular joint area.