The sternocleidomastoid helps with the movement and balance of the head. The muscle is visible when a person moves their head from side to side. It also plays a role in the rotation, inclination ...

After division of the clavicular head of the sternocleidomastoid and omohyoid muscles, the jugular vein and the aneurysm were dissected, and proximal and distal control was obtained (Figure 4).

The vein then pierces the deep cervical fascia posterior to the clavicular head of the sternocleidomastoid muscle and drains into the subclavian vein . 4,5 Figure 2 Anatomy of the External Jugular ...

As with the supraclavicular incision, the clavicular head of the sternocleidomastoid, the lateral fibers of the sternohyoid and the anterior scalene muscles, together with the internal jugular ...