What is the six-pack muscle called?
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The the six-pack muscle is called the rectus abdominis. Gray's Anatomy (1918) describes it as a long, flat muscle running down the front of the abdomen.
Summary
The the six-pack muscle is called the rectus abdominis. Gray's Anatomy (1918) describes it as a long, flat muscle running down the front of the abdomen.
What it is
- A long, flat muscle running down the front of the abdomen.
- Divided by three horizontal fibrous bands (tendinous intersections) into the visible 'six-pack' segments.
- Bends the trunk forward.
Where it is
- From the front of the pubis up to the lower ribs and sternum.
- On either side of the midline.
- Enclosed in a fibrous sheath formed by the aponeuroses of the flank muscles.
Sources
According to Gray's Anatomy of the Human Body (1918, public domain):
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