Effect of strength exercises of muscles neck in peoples with migraine and without migraine

INTERVENTION: D26.660 E02.779.483.875 Intervention group: 21 men and women with migraine will make of strengthening exercises of the superficial and deep muscles of the neck once a week for 30 minutes during the period of 8 weeks. In addition, they will be receive stretches guidelines to do at home. Placebo group: 21 men and women with migraines receive application of therapeutic ultrasound, turn off, in the neck once a week for 20 minutes during the period of 8 weeks. The groups will be divided by randomization. CONDITION: C10.228.140.546.399.750 C10.597.617.576 Migraine disorders, neck pain ; C10.228.140.546.399.750 ; C10.597.617.576 PRIMARY OUTCOME: Frequency (days) and intensity of headache (0‐10) determined by a headache diary. SECONDARY OUTCOME: Change in cervical range of motion;change in pressure pain threshold; electromyographic measurement during craniocervical flexion test, muscle strength test and endurance test; inability related to the cervical spine by questionnaires. INCLUSION CRITERIA: Volunteers with migraine; both genders; aged between 18 and 55 years.