Inspect and palpate the neck for any mass, check if neck is short, and webbed which is indicative of Turner's syndrome. Palpate posteriorly along cervical spine; laterally'over sternomastoid and trapezius muscle check for thyroid gland.
Check for torticollis i.e. spasmodic, unilateral contraction of neck muscle resulting in hand tilting to one side. Palpate lymph nodes in the neck or post auricular area. Also check range of motion of the neck.