Deep Neck Flexors Training Versus Muscle Energy Technique on Cervicogenic Headache

Inclusion Criteria: * Subjects aged 18 - 55 years. * Both male and female subjects will be recruited in the study. * Unilateral headache (without side shift) related by pain, movement and sustaining * position of neck started from the occiput spread to the tempro-frontal region for more than 3 months * \>20 degree movement restriction in cervical ROM, especially in the upper cervical rotation. * Positive flexion rotation test to confirm Cervicogenic headache. * Subjects with rounded shoulders having distance between on the table and the acromion\>2.5 cm Exclusion Criteria: * Fracture or previous surgery on vertebral column * History of spinal stenosis or disc prolapse * dysfunction or headache with autonomic involvement * Other types of headache including migraine, tension type etc. * laxity of alar ligaments * vertebra basilar artery insufficiency * Patients with a history of physiotherapy at least 3 months prior to the study.