Nov 29, 2023 · The serratus anterior muscle is a fan-shaped muscle at the lateral wall of the thorax. Its main function is the anterolateral movement of the scapula.

The serratus anterior is also known as the “boxer’s muscle,” as it is largely responsible for the protraction of the scapula which occurs when throwing a punch.

Dec 11, 2025 · 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 …

It is innervated by the long thoracic nerve from the brachial plexus. The serratus anterior acts to pull the scapula forward around the thorax. The muscle is named from Latin: serrare = to saw …

Sep 10, 2024 · Structure and Function The serratus anterior muscle pulls the scapula forward around the thorax, which allows for anteversion and protraction of the arm (see Image. …

Jun 14, 2024 · When the upper serratus anterior contracts, it causes the scapula to rotate forward. In contrast, contraction of the lower part rotates the scapula back in place.

Nov 6, 2025 · The serratus anterior is a muscle of the anterior chest wall. It forms the medial border of the axilla region.

Jul 20, 2025 · The Serratus Anterior is a flat, powerful muscle that wraps around the ribcage and plays a critical role in scapular stability, protraction, and upward rotation. Though often …

Discover the key anatomy, functions and clinical correlates of the serratus anterior muscle.

Jul 23, 2025 · The serratus anterior muscle anchors your scapula and helps lift your arms above your head. Discover its anatomy and function in this video! Test your knowledge on this topic:...