A pair of large neck muscles called sternocleidomastoids is responsible for turning the head.
Sternocleidomastoids flex the head toward the chest when acting together but alone, one sides bends neck toward shoulder and turns face to opposite side.
The deltoid covers the shoulder. This triangular-shaped muscle lifts the arm or turns it.
Medial rotation is what this is called.
scalene
sternocleidomstoid
sternocleidomstoid
supinator
in the bed: a lover turns away from her partner, exposing a "cold" shoulder
It turns counterclockwise.
pronator
The superior oblique muscle turns the eye inferiorly and medially. It is innervated by the trochlear nerve.
Tropism