Abdominal Wall OI.txt

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Author:
limadams87
ID:
69133
Filename:
Abdominal Wall OI.txt
Updated:
2011-03-31 21:18:24
Tags:
anatomy
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Description:
origin and insertion of the back, thorax, and abdominal wall muscles
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  1. FROM: upper-external occipital protuberence, medial third of superior nuchal line, ligamentum nuchae, spine of C7. Middle-spines of T1-T5. Lower-spines of T6-T12

    TO: upper-lateral third of clavicle. Middle-acromion, crest of the spine of the scapula. Lower-aponeurosis at the medial end of spine of scapula
    Trapezius
  2. FROM: spines of T7-T12, thoracolumbar fascia (lumbar and sacral spines), posterior 3rd of iliac crest, lower 3/4 of ribs, inferior angle of scapula

    TO: intertubercular groove of humerus
    Latissimus dorsi
  3. FROM: spines of T2-T5

    TO: medial border of scapula from base to inferior angle
    Rhomboid major
  4. FROM: lower part of ligamentum nuchae, spines of C7-T1

    TO: medial border of scapula at the base of the spine
    Rhomboid minor
  5. FROM: transverse processes of C1-C4

    TO: medial border of scapula from superior angle to base of spine
    Levator scapulae
  6. FROM: lower part of ligamentum nuchae, spines of C7-T1/3

    TO: upper borders and out surfaces of ribs 2-5 lateral to their angles
    Serratus posterior superior
  7. FROM: spines of T11-L3

    TO: lower borders and outer surfaces of ribs 9-12 lateral to their angles
    Serratus posterior inferior
  8. FROM: lower part of ligamentum nuchae, spines of C7-T3

    TO: mastoid process, lateral 1/3 of superior nuchal line
    Splenius capitis
  9. FROM: spines T3-T6

    TO: posterior transverse tubercles of C1-C3
    Splenius cervicis
  10. FROM: anterior deep surface of broad thick tendon attached to median and lateral sacral crests, medial surface of the back of the iliac crest and spines T11-L5

    TO: angles of the ribs, posterior transverse tubercles as high as C4
    Iliocostalis
  11. FROM: anterior deep surface of broad thick tendon attached to median and lateral sacral crests, medial surface of the back of the iliac crest and spines T11-L5

    TO: transverse processes, lower 9-10 ribs medial to their angle, mastoid process
    Longissimus
  12. FROM: mainly in thoracic region

    TO: spines between T2-L2
    Spinalis
  13. Capitis is between superior and inferior nuchal lines of occipital bone. Transversospinal.
    Semispinalis
  14. FROM: sacrum S4

    TO: axis C2
    Multifidus
  15. FROM: spine of axis

    TO: lateral part of inferior nuchal line
    Rectus capitis posterior major
  16. FROM: posterior tubercle of atlas

    TO: medial part of inferior nuchal line
    Rectus capitis posterior minor
  17. FROM: spine of axis

    TO: transverse process of atlas
    Obliquus capitis inferior
  18. FROM: transverse process of atlas

    TO: between superior and inferior nuchal lines
    Obliquus capitis superior
  19. FROM: pass downward and forward between adjacent borders of 2 ribs. From costal tubercles almost to costal cartilages.

    TO: continues to sternum as intercostal membrane
    External intercostals
  20. FROM: pass down and backwards and extend back from sternum to costal angle
    Internal intercostals
  21. occupy middle 2 quarters of the lower spaces of ribs
    Innermost intercostals
  22. Well developed only in lower thorax. Portions of the innermost intercostals that cross 2/3 intercostal spaces
    Subcostals
  23. FROM: lower 1/3 of posterior sternal surface, xiphoid process, costal cartilages of ribs 4-7

    TO: costal cartilages of ribs 2-6
    Transversus thoracis
  24. FROM: tips of C7-T11 transverse processes

    TO: descend laterally to rib below (or 2) between tubercle and angle
    Levatores
  25. FROM: outer surfaces and lower borders of ribs 5-12, interdigitating with serratus anterior and latissimus dorsi

    TO: anterior half of outerlip of iliac crest and line alba
    External abdominal oblique
  26. FROM: anterior 2/3 of intermediate line of iliac crest, lateral 2/3 of inguinal ligament, thoracolumbar fascia

    TO: posterior-inferior borders of lower 3-4 ribs. Intermediate-outer surfaces and lower borders of 7-9 costal cartilages and line alba. Lowest-curve downward and medially to pubic crest and pecten pubis
    Interbal abdominal oblique
  27. FROM: inner surface of lower 6 costal cartilages, anterior 2/3 of inner lip of iliac crest, lateral 1/3 of inguinal ligament, thoracolumbar fascia

    TO: lineal alba. Lowest fibers-curve downward and medially to pubic crest and pecten pubis
    Transversus abdominis
  28. FROM: pubic tubercle, crest, and symphysis

    TO: 5-7 costal cartilages and side of xiphoid process
    Rectus abdominis
  29. FROM: clavicular head-anterior surface of sternal half of clavicle. Sternocostal head-anterior surface of the sternum and costal cartilages of ribs 1-7

    TO: crest of greater tubercle of the humerus
    Pectoralis major
  30. FROM: upper margins and outer surfaces of ribs 2-5

    TO: coracoid process - medial and upper surfaces
    Pectoralis minor
  31. FROM: upper surface of first rib and its costal cartilage

    TO: lower surface of middle third of clavicle
    Subclavius
  32. FROM: digitations from outer surface and upper borders of upper 8-9 ribs on anterolateral thoracic wall

    TO: entire length of costal surface of medial border of scapula from superior to inferior angles. Lower 4-5 digitations converge on inferior angle
    Serratus anterior
  33. FROM: iliolumbar ligament and adjacent portion of iliac crest

    TO: lower border of 12th rib, transverse processes of upper 4 lumbar vertebrae
    Quadratus lumborum
  34. FROM: Sternal portion-two fleshy slips from back of xiphoid process. Costal portion-inner surfaces of lower 6 costal cartilages and adjacent portions of their ribs on each side. Lumbar portion-two fibrous arches on each side (medial and lateral arcuate ligaments over the psoas major and quadratus lumborum muscles, respectively) and from the anterolateral surfaces of the upper three lumbar vertebral bodies and discs by the muscular right and left crura

    TO: central tendon
    Diaphragm

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