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29 Νοε 2023 · The serratus anterior muscle originates from the 1st to 8th or 9th ribs and inserts at the anterior surface of the scapula. Due to its course it has a “serrated” or “saw-toothed” appearance. This article will discuss the anatomy of the serratus anterior muscle.
The serratus anterior (SA) is a fan-shaped muscle that originates on the superolateral surfaces of the first to eighth or ninth ribs at the lateral wall of the thorax and inserts along the superior angle, medial border, and inferior angle of the scapula.
14 Ιουν 2024 · The serratus anterior lies deep to the pectoralis major and minor muscles, below the scapula. It can be palpated between the latissimus dorsi and pectoralis major. The muscle is separated from the subscapularis by the supraserratus bursa, while the infraserratus bursa separates it from the ribs.
25 Μαΐ 2024 · The serratus anterior is a fan-shaped muscle that attaches your shoulder blade, known as your scapula, to your rib cage. The muscle helps to move your scapula in various directions and is essential for proper shoulder function.
The serratus anterior (SA) is capable of a wide range of actions across the scapulothoracic joint. Furthermore, the lack of control, strength, or activation of this important muscle is believed to be associated with several painful conditions involving the shoulder complex.
18 Ιαν 2024 · They attach to the costal (rib facing) surface of the medial border of the scapula. Function: Rotates the scapula, allowing the arm to be raised over 90 degrees. It also protracts the scapula, holding it against the ribcage. Innervation: Long thoracic nerve. Blood supply: Thoracodorsal artery, superior thoracic artery, lateral thoracic artery.
10 Σεπ 2024 · The serratus anterior, also known as the “boxer’s muscle,” is largely responsible for the protraction of the scapula, a movement that occurs when throwing a punch. Furthermore, the serratus anterior acts with the upper and lower fibers of the trapezius muscle to sustain upward rotation of the scapula, which allows for overhead lifting.
