2.5. Study Participants
TMJ dysfunction, headaches, vertigo, awkward head positioning, head pain, visual disturbance, stenosis
PROLAPSED DISC, STENOSIS
Sixty participants were recruited for the study based on the inclusion and exclusion criteria. The inclusion criteria were as follows: the participants exhibited unilateral head pain without side shift or bilateral head pain with a dominant side that hurts more than the other side, sustained awkward head positioning, and external pressure over the upper cervical or occipital region on the symptomatic side, recurrent CGH and chronic mechanical neck discomfort for three to twelve months, and showed positive to cervical flexion rotation test. The following conditions qualified as exclusion factors: a negative cervical flexion rotation test; subjects with a history of the following conditions: a fractured vertebral column or previous surgery on it; spinal stenosis; a prolapsed disc; TMJ dysfunction or headaches involving the autonomic nervous system; vertigo or visual disturbance; or a congenital condition of the cervical spine.