Tendinous intersection

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(Redirected from Tendinous inscription)

Tendinous Intersections are three transverse bands of collagen fibers that cross the rectus abdominis muscle, a muscle that runs vertically on each side of the anterior wall of the human abdomen. These intersections give the muscle its segmented appearance.

Etymology[edit | edit source]

The term "tendinous" is derived from the Latin word "tendo", which means "to stretch". "Intersection" comes from the Latin "intersectio", meaning "a meeting point" or "junction".

Anatomy[edit | edit source]

The rectus abdominis is a long muscle that extends along the front of the abdomen. This is the muscle that forms the trademark "six-pack" commonly associated with fit and toned individuals. The tendinous intersections cross the rectus abdominis, dividing it into distinct muscle bellies.

The number of tendinous intersections can vary from person to person, but there are typically three to four, and they are usually located at the level of the umbilicus and the xiphoid process.

Function[edit | edit source]

The tendinous intersections allow the rectus abdominis muscle to contract in a more coordinated and powerful manner. They also help to increase the muscle's overall strength and stability.

Clinical Significance[edit | edit source]

In certain medical conditions, such as diastasis recti, the tendinous intersections can become stretched and weakened, leading to a separation of the muscle bellies of the rectus abdominis. This condition is commonly seen in pregnant women and in individuals who have experienced significant weight gain.

Related Terms[edit | edit source]

Tendinous intersection Resources
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