Video animation - 2026-07-21 21:46

lose-up of the neck. The avatar slowly turns the head to the left. On the opposite side, the sternocleidomastoid muscle becomes clearly visible as a prominent muscular band extending from behind the ear (mastoid process) down to the sternum and medial clavicle. The avatar gently touches the muscle with two fingers, showing exactly how to locate it. Macro anatomical view. ⸻ Off-screen voi...