External Oblique Muscle (Noun)
Meaning
A diagonally arranged abdominal muscle on either side of the torso.
Classification
Nouns denoting body parts.
Examples
- The external oblique muscle is the outermost layer of the abdominal wall, wrapping around the torso in a diagonal direction.
- Each external oblique muscle is broad and thin, and originates from the external surfaces and outer borders of the lower eight ribs.
- The external oblique muscle inserts into the anterior half of the iliac crest, and into the aponeurosis that forms the rectus sheath.
- Contraction of the external oblique muscle helps to compress the abdominal contents and assists in rotating the torso to the opposite side.
- Weakening of the external oblique muscle can lead to decreased athletic performance and increased risk of injury in activities that involve twisting and turning.