G.E.P. Atlas of anatomy

 

Figure 2: 

Superior plane of the muscular diaphragm: levator plate 

(view from the top)

 

 
  1. Pubic bone
  2. Obturator muscle
  3. Tendineus arch of levator ani
  4. Ischial spine
  5. Piriformis muscle
  6. Coccyx
  7. Sacrum
  8. Hiatus
  9. Pubo-coccygeus muscle
  10. Ilio-coccygeus muscle
  11. Ischio-coccygeus muscle
  12. Ano-coccygeus raphe