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20 Cards in this Set

  • Front
  • Back
Origin of Transversus Abdominis
1- Thoracolumbar fascia.
2- Medial lip of the iliac crest.
3- Lateral 1/3 of the inguinal ligament.
4- Costal cartilages of the lower 6 ribs.
Insertion of the Transversus Abdominis
1- Aponeurosis into the linea alba.
2- Pectineal line.
3- Pubic crest.
Innervation of the Transversus Abdominis
Anterior rami of lower 6 thoracic spinal nerves & L1
Function of the Transversus Abdominis
Compress Abdominal Content
Origin of External Oblique
Muscular slips from the lower 8 ribs
Insertion of the external oblique
1- Aponeurosis ending in linea alba.
2- Outer lip of the iliac crest.
Innervation of the External Oblique
Anterior rami of lower 6 thoracic spinal nerves.
Function of the external oblique
1- Compress abdominal contents.
2- Both muscles flex trunk.
3- Each muscle pulls the trunk to its side, turning the anterior part of the abdomen to the other side.
Origin of the internal oblique
1- Thoracolumbar fascia.
2- Iliac crest between the insertion of the external oblique and the origin of the transversus abdominis.
3- Lateral 2/3 of the inguinal ligament.
Insertion of the internal oblique.
1- Inferior border of lower 3-4 ribs.
2- Pectineal line.
3- Pubic crest.
4- Aponeurosis ending in the linea alba.
Innervation of the internal oblique
Anterior rami of lower 6 thoracis spinal nerves and L1
Function of the internal oblique
1- Compress abdominal contents.
2- both muscles bend the trunk.
3- Each muscle can bend the the trunk to its side, turning the anterior part of the abdomen to the same side.
Origin of the Rectus Abdominis
1- Pubic crest.
2- Pubic tubercle.
3- Pubic symphysis.
Insertion of the Rectus Abdominis
1- Xiphoid process.
2- Costal Cartilages of ribs from V to VII.
Innervation of the Rectus Abdominis
Anterior rami of lower 7 thoracic spinal nerves
Function of the rectus abdominis
1- Compress abdominal contents.
2- Flex the vertebral column.
3- Tense the abdominal wall.
Origin of Pyramidalis
1- Front of Pubis
2- Pubic Tubercle
Insertion of Pyramidalis
Into linea alba
Innervation of Pyramidalis
Anterior Ramus of T12
Function of Pyramidalis
Tenses linea alba