The sternocleidomastoid muscle is one of the largest and most superficial cervical muscles. The primary actions of the muscle are rotation of the head to the opposite side and flexion of the neck. [3]

What Is the Sternocleidomastoid (SCM Muscle)? Your sternocleidomastoid (SCM) muscle is a powerful neck muscle that allows you to bend your neck and turn or tilt your head. Injuries and tension within …

Oct 30, 2023 · This article describes the anatomy of the sternocleidomastoid muscle, its origins, insertions, and functions. Learn this topic now at Kenhub!

Jul 27, 2020 · 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...

Oct 19, 2025 · Sternocleidomastoid pain often results from poor posture, muscle tension, or repetitive neck movements, leading to symptoms like neck tenderness, headaches, and dizziness. The …

Nov 6, 2025 · The sternocleidomastoid is a muscle of the anterolateral aspect of the neck. It originates from the mastoid process of the temporal bone and the superior nuchal line of the occipital bone.

May 8, 2025 · 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 …

Sternocleidomastoid, shortly called as STERNOMASTOID, is one of the largest and most superficial cervical muscle situated in the superficial layer on the side of neck.

Sternocleidomastoid is the most superficial and largest muscle in the front portion of the neck. It is also known as SCM or Sternomastoid or Sterno muscle. The name has the origin of the Latin words: …

Apr 4, 2023 · It is a superficially palpable muscle with importance as an anatomical landmark within the neck region and as part of neuromuscular pathologies such as torticollis.