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. The ...

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.

Each side of the neck contains two triangular sections created by the major deep muscles. The sternocleidomastoid muscle separates the sections, known as the anterior and posterior triangles. Located ...

A 50-year-old woman arrived with progressive neck pain and stiffness, 3 years after a whiplash injury sustained in a motor vehicle crash. Previous diagnoses included cervical spondylosis and muscle ...