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Abdominal wall

Abdominal wall. Objectives: To know the anatomy of abdominal wall( ant& post). Blood supply nerve supply and lymph drainage To understand the anatomy of the inguinal canal To list common types of hernia. Abdomen is a closed cylinder with a musculo-skeletal wall.

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Abdominal wall

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  1. Abdominal wall

  2. Objectives: • To know the anatomy of abdominal wall( ant& post). • Blood supply nerve supply and lymph drainage • To understand the anatomy of the inguinal canal • To list common types of hernia

  3. Abdomen is a closed cylinder with a musculo-skeletal wall.

  4. Inside are the wall are the liver, intestines, kidneys, etc.

  5. Abdominal Muscles Increase Intra-abdominal pressure

  6. Remember Valsava?

  7. Abdomen defined by diaphragm above, pelvic brim below, and vertebral bodies ribs and muscles posteriorly, and laterally.

  8. To get in the abdominal cavity you must go through skin, 2 superficial fascias (fatty and membraneous). 3 muscles layers (or one), transversalis fascia, parietal peritoneum.

  9. MUSCLES OF THE ANTEROLATERAL ABDOMINAL WALL LINEA ALBA TENDINOUS INTERSECTION TRANSVERSUS ABDOMINIS RECTUS ABDOMINIS INTERNAL OBLIQUE EXTERNAL OBLIQUE APONEUROSIS OF EXTERNAL OBLIQUE INGUINAL LIGAMENT SUPERFICIAL INGUINAL RING

  10. MUSCLES OF THE ANTEROLATERAL ABDOMINAL WALL RECTUS SHEATH TA IO EO APONEUROSES ABOVE THE ARCUATE LINE THE APONEUROSIS OF THE INTERNAL OBLIQUE SPLITS TO ENCLOSE THE RECTUS ABDOMINIS BELOW THE ARCUATE LINE ALL APONEUROSES PASS IN FRONT OF THE RECTUS ABDOMINIS

  11. Vessels of the Anterolateral Abdominal Wall Internal thoracic vessels Superior epigastric vessels Inferior epigastric vessels

  12. Nerves of the Abdominal Wall— Ventral Rami of T6 to L2

  13. MUSCLES OF THE ANTEROLATERAL ABDOMINAL WALL EXTERNAL OBLIQUE INTERNAL OBLIQUE BILATERAL ACTION: ASSISTS RECTUS ABDOMINIS IN FLEXING VERTEBRAL COLUMN, COMPRESSING ABDOMINAL WALL, AND INCREASING INTRA- ABDOMINAL PRESSURE UNILATERAL ACTION: AID BACK MUSCLES IN ROTATION AND LATERAL FLEXION NN. = T7-T12 NN. = T7-T12, L1

  14. MUSCLES OF THE ANTEROLATERAL ABDOMINAL WALL RECTUS ABDOMINIS RECTUS ABDOMINIS BILATERAL: FLEXION OF VERTEBRAL COLUMN, COMPRESSION OF ABDOMEN, INCREASE IN INTRA-ABDOMINAL PRESSURE UNILATERAL: ASSISTS BACK MUSCLES IN LATERAL FLEXION AND ROTATION NN. = T7-T12, L1

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