What are the obliques?
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The side abdominal muscles is called the external and internal oblique muscles. Gray's Anatomy (1918) describes it as two broad, flat muscles that make up the sides of the abdominal wall.
Summary
The side abdominal muscles is called the external and internal oblique muscles. Gray's Anatomy (1918) describes it as two broad, flat muscles that make up the sides of the abdominal wall.
What it is
- Two broad, flat muscles that make up the sides of the abdominal wall.
- Their fibers cross each other at right angles.
- Bend and rotate the trunk and help compress the abdomen.
Where it is
- On the sides of the abdomen, between the lower ribs and the pelvis.
- The external oblique is superficial; the internal oblique lies beneath it.
- Both end in aponeuroses that form the sheath of the rectus abdominis.
Sources
According to Gray's Anatomy of the Human Body (1918, public domain):
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