Transverse abdominal muscle
Transverse Abdominal Muscle
The Transverse Abdominal Muscle (pronunciation: trans-vurs ab-dom-in-al mus-ul) is one of the muscles that make up the Anterior Abdominal Wall. It is the deepest of the abdominal muscles, lying beneath the internal oblique and the external oblique muscles.
Etymology
The term "Transverse Abdominal Muscle" is derived from its anatomical orientation and location. "Transverse" refers to its horizontal orientation, "Abdominal" pertains to its location in the abdomen, and "Muscle" signifies its tissue type.
Function
The primary function of the Transverse Abdominal Muscle is to provide stability and support to the internal organs of the abdomen. It also plays a crucial role in forced expiration, as it helps compress the abdominal cavity to expel air from the lungs.
Related Terms
- Abdominal Muscles: The group of muscles in the front of the body that assists in regular breathing movement, supports the spine, and helps with the rotational movement of the spine.
- Rectus Abdominis: A long muscle that extends along the front of the abdomen. This is the muscle that forms the trademark "six-pack" abs.
- Internal Oblique Muscle: This muscle lies just below the external oblique muscle and just above the transverse abdominal muscle.
- External Oblique Muscle: The largest and the most superficial (closest to the skin) of the three flat muscles of the lateral anterior abdomen.
External links
- Medical encyclopedia article on Transverse abdominal muscle
- Wikipedia's article - Transverse abdominal muscle
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