Serratus

Serratus is a term used in anatomy to refer to muscles that are saw-like in appearance. The most well-known of these is the Serratus Anterior, 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.

Function

The primary actions of the serratus anterior muscle include scapular protraction, upward rotation, and holds the scapula against the thoracic wall. It is a key muscle in the movement of the arms and shoulders, particularly in activities that require pushing or punching.

Clinical Significance

Damage to the long thoracic nerve can lead to a condition known as Winged Scapula, where the serratus anterior is unable to hold the scapula against the ribcage, causing the scapula to protrude outwards. This can result in pain and limited range of motion.

Other Serratus Muscles

There are other muscles in the body that are also referred to as serratus muscles due to their saw-like appearance. These include the Serratus Posterior Superior and the Serratus Posterior Inferior, which are involved in the movements of the rib cage.

See Also

• Muscular System
• Human Anatomy

References

Serratus Resources
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