this study will be conducted to investigate the impact of adding Instrument assisted soft tissue mobilization technique to mulligan therapy in patients with cervicogenic headache
Age group above 18 years' old
History of chronic CGH (>3 months)
CGH owing to cervical spine (neck) dysfunction
Reduced cervical motion
Participants with other types of headache (migraine headache)
Headache owing to other causes (sinus, tumor, neural, and tempero-mandibular joint issues)
Any contraindications to manual and manipulative therapy (fracture, instability, osteoporosis and neural symptoms)
Taking analgesics or corticosteroids and migraine-specific medications, such as triptans