Serratus anterior
Serratus Anterior
The Serratus Anterior (pronounced: se-RA-tus an-TEER-ee-or) is a muscle that originates on the surface of the 1st to 8th ribs at the side of the chest and inserts along the entire anterior length of the medial border of the scapula.
Etymology
The term "Serratus" comes from the Latin word "serra", which means saw. This is due to the muscle's saw-like appearance. The term "Anterior" is derived from the Latin word "ante", meaning before or in front of, indicating the muscle's position in the body.
Function
The Serratus Anterior is primarily responsible for the protraction of the scapula, that is, pulling it forward and around the rib cage. This muscle plays a crucial role in activities that involve forward pushing or punching movements. It also assists in upward rotation of the scapula, such as when lifting a weight overhead.
Related Terms
- Scapula: The bone that connects the humerus (upper arm bone) with the clavicle (collar bone).
- Protraction: The anterior movement of an area of the body.
- Rib cage: The arrangement of ribs attached to the vertebral column and sternum in the thorax of most vertebrates, that encloses and protects the heart and lungs.
See Also
External links
- Medical encyclopedia article on Serratus anterior
- Wikipedia's article - Serratus anterior
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