KIN100 Lecture : Summary Chart for Abdomen and Back Summary chart listing the muscles of the abdomen and back, including origin, insertion, innervation and main action.

• School: University of Waterloo
• Department: Kinesiology
• Course: KIN100
• Professor: Stephen Prentice

Document Summary

Muscles of the anterolateral abdominal wall (pg116 notes, pg 199 txbk) Flexes trunk (lumbar vertebrae) and compresses abdominal viscera (antagonists of the diaphragm to produce expiration increase pressure within abdomen); stabilizes and controls tilt of pelvis (antilordosis) Compresses and supports abdominal viscera (antagonists of the diaphragm to produce expiration increase pressure within abdomen), flex trunk. Compress and support abdominal viscera (antagonists of the diaphragm to produce expiration increase pressure within abdomen), flex and rotate trunk. Increase pressure within abdomen, flexion and rotation of the trunk. 12th costal cartilages, thoracolumbar fascia, iliac crest, and lateral 3rd of inguinal ligament. Thoracolumbar fascia, anterior 2/3s of iliac crest, and lateral half of inguinal ligament. Linea alba with aponeurosis of internal oblique, pubic crest, and pecten pubis via conjoint tendon. 12th ribs, linea alba, and pecten pubis via conjoint tendon. Linea and alba, pubic tubercle, and anterior half of iliac crest. Lumbar vertebrae 1,2 (3), xiphoid process, lower 6 ribs and cartilages.