MUSCLES 



800 



MUSCLES 



Superficial and Middle Muscu- 

 lar Layers of the Posterior 

 Aspect ok the Trunk. 



I, i. Trapezius. 2. Latissimus dorsi. 



3. 3. Lumbosacral aponeurosis 4, 



4. Portion of this aponeurosis to 

 which latissimus dorsi is attached. 



5. Fasciculus by which latissimus 

 dorsi is attached to crest of ilium. 



6. External border of latissimus 

 dorsi. 7. Teres major. 8. Superior 

 border of latissimus dorsi, curving 

 around teres major. 9. Rhomboid- 

 eus major. 10. Rhomboideus minor. 

 11. Superior border of serratus pos- 

 ticus superioris. 12, 12, 12. Fasciculi 

 of serratus posticus inferioris. 13. 

 Sterno-mastoid. 14. Splenitis. 15. 

 Levator anguli scapula;. 16. Infra- 

 spinatus. 17. Teres minor. 18. 

 Teres major. 19. Divided latissi- 

 mus dorsi. 20. Fasciculus of latis- 

 simus dorsi, arising from angle of 

 scapuli. 21. Inferior portion of 

 serratus magnus. 22, 22. Lower 

 portion of internal oblique. 23. 

 Posterior aponeurosis of internal 

 oblique. 24. Gluteus maximus. 25. 

 Divided gluteus maximus. 26. Glu- 

 teus medius. 27. Pyramidalis. 2S. 

 Tendon of obturator internus and 

 gemelli. 29. Quadratus femoris. 

 30. Sacro-lumbalis and longissimus 

 dorsi. 31. Deltoid. 32. Triceps. 



Diaphragm, Inff.rior Aspect. 

 . Middle or anterior leaflet of central tendon. 2. Right leaflet. 3. Left 

 leaflet. 4. Right cms. 5. Left crus. 6, 6. Intervals for phrenic nerves. 

 7. Muscular fibers from which the ligamenta arcuata originate. 8, 8. 

 Muscular fibers that arise from inner surface of six lower ribs. 9. Fibers 

 that arise from ensiform cartilage. 10. Opening for inferior vena cava. 

 11. Opening for esophagus. 12. Aortic opening. 13, 13. Upper portion 

 of transversalis abdominis, turned upward and outward. 14. Anterior 

 leaflet of transversalis aponeurosis. 15, 15. Quadratus lumborum. 16, 

 16. Psoas magnus. 17. Third lumbar vertebra. 



Internal Oblique and Transversalis ai 

 MUSCLBS. 



I, I. Rectus abdominis. 2, 2. Internal obliqui 

 Anterior leaflet of aponeurosis of internal oblique. 

 4, 4. Divided external oblique, s, 5. Spermal 

 6,6. Inferior portion of aponeurosis of external ol 

 lique. 7. Lower portion of left rectus abdominis j, 

 upper portion removed. 8, 8. Muscular portion of 

 transversalis abdominis. 9. Aponeurotic 

 10. Umbilicus. 11. Supra-umbilical portion of linea 

 alba. 12. Infra-umbilical portion. 13. Serratus mag- 

 nus. 14. Divided right latissimus dorsi. 15. 

 left latissimus dorsi. 16. Divided serratus magnus. 

 t7, 17. External intercostals is. iS. Femoral apon- 

 eurosis. 19. Divided internal oblique. 



