01 · Soft tissue
What sits in a stiff neck (落枕)
Morning pain and soreness in the neck or shoulder, with difficulty turning toward the stiff side, often sits in the neck and shoulder muscles. Headache or pain into the shoulder or arm can travel with it.
| Muscle | Where you feel it | Typical tell |
|---|---|---|
| SternocleidomastoidSide of the neck, ear toward collarbone. | Turning or tilting the head pulls on a tight band. | One-sided morning lock after awkward sleep. |
| Levator scapulaeFrom the upper neck toward the inner shoulder blade. | Phone and desk flexion load this strip. | Pain when looking down or shrugging. |
| TrapeziusNape into the top of the shoulder. | Carries stress and bag or laptop load. | Cable-like shoulder tops with limited turn. |
| RhomboidBetween the shoulder blades and the spine. | Slouch and rounded shoulders shorten the space. | Aching between the blades with neck stiffness. |