Transversus Abdominis Muscle Flashcards

Flashcards are a great way to memorise information about the transversus abdominis muscle. Test your knowledge of anatomy using the transversus abdominis flashcards below.

Press a flash card to reveal the answer.

Origin

Costal cartilages ribs 7-12, thoracolumbar fascia, liac crest & inguinal ligament

Insertion

Linea alba & pubic crest + pectineal line via conjoint tendon

Actions

  • Provides structural support to adjacent abdominal structures
  • Compresses abdomen and increases intrabdominal pressure

Innervation

  • Intercostal nerves (T7-T11)
  • Subcostal nerve (T12)
  • Iliohypogastric nerve (L1)
  • Ilioinguinal nerve (L1)

Blood Supply

  • Lower posterior intercostal artery
  • Subcostal artery
  • Superficial and deep circumflex iliac arteries
  • Inferior and superior epigastric arteries

Would you like to learn more about the transversus abdominis muscle? Then check out the transversus abdominis muscle article and video by clicking the link below:
Transversus Abdominis Muscle Anatomy

Previous post:

Next post: