“…However, at this point it must be emphasized again that the physical examination is not completed until the neck is examined physically and X-rays of the cervical spine studied, because the neck must be considered prime suspect in every headache case of unknown origin in children as well as in adults. 4 THE NECK MUST be examined for any muscle spasm, restriction of movement or localized tenderness especially over the lateral side of the cervical spine either unilateral or bilateral. Roentgenographic examination may reveal characteristic loss or reversal of the normal lordotic curve of the cervical spine ( Fig.…”