ANA 407 Lecture Notes - Lecture 17: Lesser Sciatic Foramen, Obturator Foramen, Greater Sciatic Foramen
8 Jun 2016
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Describe and be able to identify bony landmarks of the gluteal region. a. The hip bone is actually the combination of the: 1) ilium- the ala (wing) and body - form the. 2/5ths of the include: superior 2/3rds of the hip and superior acetabulum. Landmarks a) b) c) iliac crest and tubercle - at l4 level. Anterior inferior and posterior inferior iliac spines d) ischium- its body is fused with the ilium and the pubis. Landmarks include: a) b) body - medially superior ramus - this fuses with the ilium and c) d) e) inferior ramus - joins ramus of ischium pubic symphysis - a fibrocartilaginous joint pubic crest and tubercle b. c. Obturator foramen - is an oval aperture bounded by pubis and ischium. It is nearly closed by the obturator membrane. Until puberty, the ilium, ischium and pubis are united here by hyaline cartilage. Describe and identify joints of the pelvis. a.
