Any duty or labor performed for another person. The delivery of a legal document that notifies the recipient of the commencement of a legal action or proceeding in which he or she is involved. The term service has various meanings, depending upon the context of the word.
DESCRIPTION. Scalenus anterior is one three deep muscles in the scalene group. ORIGIN. Scalenus anterior originates from the anterior tubercles of the transverse processes of the third, fourth, fifth and sixth cervical vertebrae. Cervical Spine Muscles Scalenes chiropractor 3D animation.DESCRIPTION. Scalenus medius is one three deep muscles in the scalene group. ORIGIN. Scalenus medius originates from the transverse process of the axis and the front of the posterior tubercles of the transverse processes of the lower five cervical vertebrae.ervical Spine Muscles Scalenes chiropractor 3D animation. INSERTION. Scalenus anterior inserts onto the scalene tubercle on the inner border of the first rib, and to a ridge on the upper surface of the rib, anterior to the groove for the subclavian artery.
They generally attach to the sides of the neck vertebrae at the top and to the uppermost ribs at the bottom. So the scalenes are mostly head pullers: they pull the head from side to side. And although they certainly do move the neck, they are also breathing muscles, because of the way they pull up on the ribs.ust like the pain of a heart attack spreads from the heart into the shoulder and arm, the pain of painful scalene muscles spreads throughout the chest, upper back, and chest, the arm and hand, and the side of the head. Pain referred to the back may feel like a penetrating pain stabbing through the torso.