abdominal oblique muscle

oblique abdominal muscle

Either the external or internal abdominal oblique muscles.

Type Muscle
Nom latin oblique abdominal muscle

Sous-structures

abdominal internal oblique muscle Muscle abdominal external oblique muscle Muscle

Questions fréquentes

What is the abdominal oblique muscle?
The abdominal oblique muscle (oblique abdominal muscle) refers collectively to either the external or internal abdominal oblique muscles — two of the flat muscles forming the lateral abdominal wall. These muscles run diagonally and provide trunk stability and rotational movement.
Where are abdominal oblique muscles located?
Abdominal oblique muscles are situated on the lateral and anterolateral walls of the abdomen. The external oblique is the most superficial, while the internal oblique lies immediately deep to it. Both span from the ribs and thoracolumbar fascia down to the iliac crest and inguinal ligament.
What is the function of the abdominal oblique muscles?
Abdominal oblique muscles flex and rotate the trunk, compress the abdominal contents, assist with lateral bending, and help maintain intra-abdominal pressure. Their combined action with the transversus abdominis forms the core muscular corset that stabilizes the spine.
What conditions can affect abdominal oblique muscles?
Oblique muscle strains are common in sports requiring twisting motions. Weakness in these muscles can contribute to lumbar spine instability and chronic back pain. Inguinal hernias may develop where the oblique aponeuroses form the inguinal canal.
How are the external and internal oblique muscles different?
The external oblique is superficial to the internal oblique, and their muscle fibers run in opposite diagonal directions. This arrangement creates a mechanically advantageous structure where the two muscles act synergistically to resist forces from multiple directions.

Structures associées

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.