Sternalis muscle

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(Redirected from Musculus sternalis)

Sternalis muscle is a rare and variable muscle located in the thoracic region of the human body. It is considered an anatomical variation rather than a standard element of human anatomy. The muscle is named for its location adjacent to the sternum, or breastbone.

Etymology[edit | edit source]

The term "sternalis" is derived from the Latin word "sternon," meaning chest or breastbone. This is in reference to the muscle's location along the sternum.

Anatomy[edit | edit source]

The sternalis muscle is typically located anterior to the pectoralis major muscle, running parallel to the sternum. It is often, but not always, bilateral, meaning it can be found on both sides of the body. The muscle originates from the superior aspect of the sternum and the adjacent costal cartilages, and inserts into the lower part of the pectoralis major or the rectus sheath.

Clinical significance[edit | edit source]

The presence of the sternalis muscle can have implications in medical procedures such as breast surgery or thoracic surgery. It can also appear as an anomaly in imaging studies, potentially leading to misdiagnosis if the clinician is not familiar with this anatomical variation.

Related terms[edit | edit source]

See also[edit | edit source]

Sternalis muscle Resources
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