anterior & posterior abdominal wall. abdominal wall
TRANSCRIPT
Anterior & posterior abdominal wall.
ABDOMINAL WALL
Structure of anterior abdominal wall
• Skin
• Superficial fascia
• Deep fascia
• Muscles
• Extraperitonial fascia
• Parietal peritoneum
Insertion Origin Muscle
linea alba, pubic crest & tubercle, anterior superior iliac spine &
anterior half of iliac crest
lower 8 ribs external abdominal oblique
lower 3 or 4 ribs, linea alba, pubic crest and pecten
lumbar fascia, anterior 2/3 of the iliac crest, lateral 2/3 of the inguinal ligament
internal abdominal oblique
linea alba, pubic crest and pecten lower 6 ribs, thoracolumbar fascia, anterior 3/4 of the iliac crest, lateral 1/3 of inguinal
ligament
transversus abdominis
xiphoid process of the sternum and costal cartilages 5-7
pubic crest and symphysis rectus abdominis
EXTERNAL OBLIQUE MUSCLE
Inguinal ligament & superficial inguinal ring
INTERNAL OBLIQUE MUSCLE
Cremaster muscle
Transversus abdominis muscle
RECTUS ABDOMINIS
Inguinal canal
Spermatic cord
Structure of posterior abdominal wall
• 5 lumbar vertebrae
• 12 rib
• Upper part of bony pelvis
• Psoas muscle
• Quadratus lumborum muscle
• Origin of transversus abdominis muscle
• iliacus
Insertion Origin Muscle
lesser trochanter of the femur bodies and transverse processes of lumbar
vertebrae + T12
psoas
transverse processes of lumbar vertebrae 1-4 and the
12th rib
posterior part of the iliac crest and the iliolumbar ligament
quadratus lumborum
lesser trochanter of the femur iliac fossa and iliac crest iliacus
Psoas & iliacus
quadratus lumborum
Thank you