2023年11月29日 · Attachments, innervation and functions of the serratus anterior muscle. The serratus anterior muscle is a fan-shaped muscle at the lateral wall of the thorax. Its main part lies deep under the scapula and the pectoral muscles. It is easy to palpate between the pectoralis major and latissimus dorsi muscles.

Protracts and stabilizes scapula, assists in upward rotation. The serratus anterior is a muscle of the chest. It originates at the side of the chest from the upper 8 or 9 ribs; it inserts along the entire length of the anterior aspect of the medial border of the scapula. It is innervated by the long thoracic nerve from the brachial plexus.

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. Its main part lies deep under the scapula and the pectoral muscles. [1]

2024年2月1日 · The serratus anterior muscle spans the upper eight or nine ribs. This muscle helps you rotate or move your scapula (shoulder blade) forward and up. Sometimes it’s referred to as the...

2024年5月25日 · Injury to the serratus anterior is rare, but if it happens, you may require rehabilitation to get your shoulder moving and functioning normally again. This article will cover the important role the serratus anterior muscle plays in the body, as well as conditions that are associated with this muscle. Ekaterina Goncharova / Getty Images.

2024年9月10日 · The serratus anterior is a fan-shaped muscle that originates on the superolateral surfaces of the first to eighth ribs or the first to ninth ribs at the lateral wall of the thorax and inserts along the superior angle, medial border, and inferior angle of the scapula.

2024年1月18日 · Attachments: The muscle consists of several strips, which originate from the lateral aspects of ribs 1-8. 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.

2024年6月14日 · The serratus anterior is a large, thin fan-shaped sheet of muscle located at the sides and front of the thoracic wall. The muscle is easily visible, especially in people with an athletic build, along the sides of the ribs, beneath the axilla.

2022年11月2日 · The serratus anterior muscle is a sheet of muscle that runs along the sides and front of the rib cage. Anterior surfaces of the first 8 or 9 ribs. Anterior surface of medial border of scapula. What if you could learn serratus anterior anatomy more easily? With this time-saving trunk wall muscle anatomy reference chart, you can!

The serratus anterior muscle (Serratus magnus) is a thin muscular sheet, situated between the ribs and the scapula at the upper and lateral part of the chest. It arises by fleshy digitations from the outer surfaces and superior borders of the upper eight or nine ribs, and from the aponeuroses covering the intervening Intercostales.