Anterolateral Abdominal Wall Muscles Flashcards
0
Q
Transverse abdominis
A
Origin: Internal surfaces of 7th-12th costal cartilages, thoracolumbar fascia, iliac crest, and connective tissue deep to inguinal ligament
Insertion: Linea alba with aponeurosis of internal oblique, pubic crest, and pectin pubis via conjoint tendon
Innervation: Thoraco-abdominal nerves (ant. rami of T7-T11) and first lumbar nerve
1
Q
Internal Oblique
A
Origin: Thoracolumbar fascia, anterior two thirds of iliac crest, and connective tissue deep to inguinal ligament
Insertion: Inferior borders of 10th-12th ribs, linea alba, and pubis via conjoint tendon
Innervation: Thoraco-abdominal nerves (ant. rami of T7-T11) and first lumbar nerve
