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Serratus Anterior
The Serratus Anterior is one of those magical muscles. Magical in that it has an equal ability to add to or inhibit optimal functioning of the shoulder girdle.
Anatomy of the Serratus Anterior Muscle
The serratus anterior is a muscle that originates on the surface of the upper eight ribs at the side of the chest and inserts along the entire anterior length of the medial border of the scapula.
The serratus anterior is innervated by the long thoracic nerve, a branch of the brachial plexus. The long thoracic nerve travels inferiorly on the surface of the serratus. The nerve is especially vulnerable during certain types of surgery.
Function of the Serratus Anterior Muscle
The serratus anterior is occasionally called the "boxer's muscle" because it is largely responsible for the protraction of the scapula. It does this by the pulling of the scapula forward and around the rib cage that occurs when someone throws a punch.
The serratus anterior also helps to stabilize the scapula. In addition, it assists in rotating the scapula upward.
Yoga enthusiasts love concentrating on this muscle in their exercises as it adds balance to the body.
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