Deep Neck Flexor Weakness and Cervicogenic Headache
Headaches affect almost half of the population. 15-25% of all headaches are referred from the cervical spine and are classified as “cervicogenic” (1,36). The pathophysiology of cervicogenic headache (CGH) is debatable, but the anatomical basis is thought to be a convergence of sensory neurons from the cervical spine and trigeminal nerve in the trigeminocervical nucleus located in the upper cervical spinal cord
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