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Supporting and protecting the abdominal organs
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- The internal obliques aid in supporting and protecting the abdominal organs, including the intestines and internal reproductive organs. They create a muscular wall that helps keep these organs in place and protected.
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Oct 30, 2023 · Internal abdominal oblique is a broad thin muscular sheet found on the lateral side of the abdomen. Going from superficial to deep, the external abdominal oblique, internal abdominal oblique and transversus abdominis comprise the three distinct layers of the lateral abdominal wall.
- Lateral Abdominal Wall
The internal oblique is innervated by both the lower...
- Lateral Abdominal Wall
Jan 19, 2018 · The internal abdominal oblique muscle is an opposing force to the diaphragm, reducing upper chest cavity volume during exhalation. As the diaphragm contracts, the chest cavity is pulled down...
Apr 8, 2024 · The internal oblique is a muscle of the anterior abdominal wall. It is a broad, sheet-like muscle, located deep to the external oblique. Attachments: Originates from the inguinal ligament, iliac crest and lumbodorsal fascia. It inserts onto ribs 10-12.
- Description
- Function
- Clinical Relevance
Internal abdominal oblique is a muscle found on the lateral side of the abdomen. It is broad and thin. it forms one of the layers of the lateral abdominal wall along with external oblique on the outer side and transverse abdominis on the inner side. Its fibers are obliquely oriented hence the name. It helps maintain the abdominal pressure and movem...
Internal abdominal oblique flexes the trunk when bilaterally contracted and lateral flexion upon unilateral contraction, compression causes increase in the intraabdominal pressure
Weakness of internal abdominal oblique along with other abdominal muscles increase risk on abdominal hernias
Oct 30, 2023 · The internal oblique is innervated by both the lower intercostal nerves as well as branches of the lumbar plexus (iliohypogastric nerve and ilioinguinal nerve). Transversus abdominis muscle: runs from the inner surface of the lower costal cartilages, the thoracolumbar fascia and iliac crest horizontally to the linea alba.
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- 25 min
The internal abdominal obliques constitute an important muscle group located in the anterior and lateral regions of the abdomen, significantly impacting various movements and stabilization of the trunk. In this essay, we will explore in detail their origin, insertion, muscle path, and function. Origin and Insertion:
May 25, 2023 · The internal abdominal oblique is innervated by intercostal nerves 6-11 and the subcostal nerve. Functions. Bilateral contraction of the internal oblique muscle aids in the flexion of the trunk and increasing intraabdominal pressure.
