Podcast
Questions and Answers
From which structure does the internal oblique abdominis muscle originate?
From which structure does the internal oblique abdominis muscle originate?
- Costal cartilages
- Linea alba
- Lumbar fascia (correct)
- Xiphoid process
In which direction do the muscle fibers of the internal oblique abdominis run?
In which direction do the muscle fibers of the internal oblique abdominis run?
- Upward, backwards, and medially
- Downward, backwards, and laterally
- Downward, forwards, and laterally
- Upward, forwards, and medially (correct)
Which of these structures is NOT an insertion point of the internal oblique abdominis?
Which of these structures is NOT an insertion point of the internal oblique abdominis?
- Costal Cartilages
- Linea Alba
- Umbilicus (correct)
- Xiphoid Process
Which of these nerves provide innervation to the internal oblique abdominis muscle?
Which of these nerves provide innervation to the internal oblique abdominis muscle?
The internal oblique abdominis inserts into the linea alba. What is the linea alba?
The internal oblique abdominis inserts into the linea alba. What is the linea alba?
Flashcards
Internal oblique abdominis
Internal oblique abdominis
A muscle arising from the lumbar fascia and iliac crest, with fibers directed upwards and forwards.
Origin of internal oblique
Origin of internal oblique
Originates from lumbar fascia, iliac crest, and inguinal ligament.
Insertion of internal oblique
Insertion of internal oblique
Inserts into aponeurosis, ribs 7-9, costal cartilages, xiphoid process, linea alba, and pubic crest.
Fiber direction of internal oblique
Fiber direction of internal oblique
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Innervation of internal oblique
Innervation of internal oblique
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