3 Questions
Which muscle is not part of the abdominal wall?
Latissimus dorsi
Which muscle is the most superficial in the abdominal wall?
External oblique
Which muscle is responsible for flexing the lumbar spine?
Rectus abdominis
Study Notes
Abdominal Wall Muscles
- The psoas major muscle is not part of the abdominal wall, as it lies posterior to it.
- The external oblique muscle is the most superficial muscle in the abdominal wall.
- The rectus abdominis muscle is responsible for flexing the lumbar spine.
Test your knowledge of the muscles of the abdominal wall with this quiz. Identify the rectus abdominis, internal and external oblique, and transversus abdominis to see how well you know these important muscles.
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