Use this video to understand the sternocleidomastoid muscle—its function, anatomy, and role in neck movement and posture. Discover how this key neck muscle can contribute to pain, stiffness, and headaches when strained, and learn tips for effective stretching, trigger point release, and massage techniques. Perfect for students, therapists, or anyone dealing with neck tension! #neckpain #anatomy #sternocleidomastoid #triggerpoints | Spine-health