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14 Cards in this Set
- Front
- Back
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External abdominal oblique
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O: Lower ribs
I: Aponeurosis inserts into linea alba A: Compresses abdomen, flexes and laterally rotates spine contralaterally (to opposite side), and depress ribs N: Lower Intercostal nerves (that means thoracic spinal nerves), Iliohypogastric, Ilioinguinal nerves |
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Internal abdominal oblique
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O: inguinal ligament; iliac crest; thoracolumbar fascia (aponeurosis)
I: Lower border of lower ribs; with aponeurosis; pubis, pectineal line A: Compresses abdomen, flexes and laterally rotates spine contralaterally (to opposite side), and depress ribs N: Lower Intercostal nerves (that means thoracic spinal nerves), Iliohypogastric, Ilioinguinal nerves |
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Transversus abdominis
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O: inguinal ligament & Iliac crest; thoracolumbar fascia; cartilages of lower ribs
I: via the aponeurosis to linea alba, pubis and pectineal line A: Compresses abdomen, depresses ribs N: lower intercostal nerves |
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Rectus abdominis
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O: Crest of pubis; interpubic ligament
I: Cartilages of ribs 5-7, Xiphoid process A: Compresses abdomen, Flexes spine N: Intercostal nerves 7-12 |
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Quadratus lumborum
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O: Iliolumbar ligament & posterior iliac crest
I: 12th rib, tips of transverse processes L1-L4 A: Fixes last 2 ribs, flexes spine laterally N: T12, L1 |
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Psoas major
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O: Transverse processes of L1-L5; sides of the vertebral bodies and fibrocartilage of T12- L5
I: Lesser trochanter of femur A: Flexes thigh and rotates it laterally; flexes spine and bends spine laterally N: L2-L3 |
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Illiacus
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O: Upper iliac fossa; iliac crest; anterior sacroiliac ligament and base of sacrum
I: Tendon of Psoas muscle and directly to lesser trochanter A: Flexes and laterally rotates thigh N: Femoral nerve (L2- L3) (Note the relationship of the femoral nerve to the Psoas and Iliacus) |
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Linea Alba
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Several Aponeurosis connect here
Runs from the zyphoid to the pubis |
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Fascia
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Deep - dense CT; ensheathes muscle and organs
Superficial - loose areolar; subcutaneous |
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Rectus Sheath
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formed by the aponeurosis of all three abdominal muscles
Below acruate line - prevents possiblity of 8 pack; All of the aponeurosis are anterior t Above acruate line - The external abdominal oblique aponeurosis is above; the internal abdominal oblique sheath wraps anterior and posterior, and the transverse abdominus wraps posterior arount the rectus abdominus sheath |
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Diaphragm
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Origin Vert Column and Ribs
Helps in urintation and defecation; breathing |
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Quadratus lumborum
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O: Iliolumbar ligament & posterior iliac crest
I: 12th rib, tips of transverse processes L1-L4 A: Fixes last 2 ribs, flexes spine laterally N: T12, L1 Seen in posterior abdominal wall |
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Psoas major
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O: Transverse processes of L1-L5; sides of the vertebral bodies and fibrocartilage of T12- L5
I: Lesser trochanter of femur A: Flexes thigh and rotates it laterally; flexes spine and bends spine laterally N: L2-L3 |
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Illiacus
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O: Upper iliac fossa; iliac crest; anterior sacroiliac ligament and base of sacrum
I: Tendon of Psoas muscle and directly to lesser trochanter A: Flexes and laterally rotates thigh N: Femoral nerve (L2- L3) (Note the relationship of the femoral nerve to the Psoas and Iliacus) |
