Video animation - 2026-07-21 20:06

The avatar begins rubbing only the posterior surface of the neck with both hands. The posterior cervical muscles (splenius capitis, semispinalis capitis, upper cervical extensors) glow bright red, indicating the area being massaged. The red glow is localized only to the posterior neck muscles. At the same time, the sternocleidomastoid muscle (SCM) on the anterolateral side of the neck remains...