Pain behind the ear and down the neck and shoulder may result from tension or injury in the sternocleidomastoid muscle. Other possible symptoms include headaches, dizziness, and tingling.

Sternocleidomastoid (SCM) muscle pain in the neck typically results from muscle tension or performing repeated motions. It can also occur with certain health conditions, such as asthma and pneumonia.

The internal jugular vein descends in the carotid sheath, continues posteriorly to the space between the two heads of the sternocleidomastoid muscle, and then merges with the subclavian vein to ...

CMT develops when a muscle on one side of the neck called the sternocleidomastoid muscle is too short. Other causes of wryneck in children include: trauma during birth flat head syndrome ...

Gently squeeze along your sternocleidomastoid muscles (the long neck muscle that runs from behind your ear to your collar bones ) and with two fingers massage your masseter (muscle along sides of ...

Examples of focal dystonias include torticollis and sustained contraction of either sternocleidomastoid muscle that can cause persistent neck turning contralateral to the muscle involved.