Abdominal muscles
Abdominal Muscles
The Abdominal Muscles (pronunciation: /æbˈdɒmɪnəl ˈmʌsəlz/) are a group of muscles that comprise the anterior wall of the human abdomen.
Etymology
The term "Abdominal" is derived from the Latin word "abdomen" meaning "belly", while "Muscles" comes from the Latin "musculus" meaning "little mouse", possibly due to the appearance of certain muscles during contraction.
Anatomy
The abdominal muscles consist of four main groups:
- The Rectus Abdominis
- The External Oblique
- The Internal Oblique
- The Transversus Abdominis
Each of these muscles plays a unique role in the movement and stabilization of the torso.
Rectus Abdominis
The Rectus Abdominis is a long muscle that extends along the front of the abdomen. It is the most superficial (closest to the skin) of the abdominal muscles.
External Oblique
The External Oblique is located on the lateral and anterior parts of the abdomen. It is broad, thin, and irregularly quadrilateral in shape.
Internal Oblique
The Internal Oblique is located just inside the hip bone and is responsible for the twisting and turning movements of the trunk.
Transversus Abdominis
The Transversus Abdominis is the deepest (furthest from the skin) of the abdominal muscles. It acts as a natural weight belt, keeping your insides in.
Function
The abdominal muscles have several important functions, including:
- Providing movement and support to the trunk
- Helping with the breathing process
- Protecting the internal organs
- Playing a key role in postural support and balance
Related Terms
External links
- Medical encyclopedia article on Abdominal muscles
- Wikipedia's article - Abdominal muscles
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