Abdominal Muscle Actions

  1. flexes and laterally rotates the hip
    psoas major
  2. Supports abdominal wall, assists forced expiration, aids raising intraabdominal pressure and, with muscles of opposite side, abducts and rotates trunk
    external oblique abdominus
  3. Supports abdominal wall, aids forced expiration and raising intra-abdominal pressure. Conjoint tendon supports posterior wall of inguinal canal
    transversus abdominus
  4. Flexes trunk, aids forced expiration and raise intra-abdominal pressure
    rectus abdominus
  5. Reinforces lower rectus sheath
    pyramidalis
  6. Fixes 12th rib during respiration and lateral flexes trunk
    quadratus lumborum
  7. Supports abdominal wall, assists forced respiration, aids raising intra-abdominal pressure and, with muscles of other side , abducts and rotates trunk. Conjoint tendon supports posterior wall of inguinal canal
    internal oblique abdominus
  8. Inspiration and assists in raising intra-abdominal pressure
    diaphragm
Author
shortycocoa
ID
108776
Card Set
Abdominal Muscle Actions
Description
actions of the abdominal muscles
Updated