DR1 Flashcards
Pelvic inlet is inclined obliquely at what angle?
50-60
Pelvic outlet is much less oblique, at an angle of?
10-15 to the horizontal
Which is narrowest part of pelvic outlet?
Between Ischial spines
Which ligaments make the greater and lesser sciatic notches into foramina?
Sacrotuberous and sacrospinous
What goes through greater and lesser sciatic foramina?
Pudendal nerve Superior gluteal artery and vein/nerve Inferior gluteal nerve, artery and vein Nerve to obturator internus Nerve to quadratics formis Obturator internus tendon
Pubic arch in males and females?
Males 70
Females 80
Pelvic inlet in females and males?
Females- more oval rounder and wider
Males- heart shaped and narrow
Weakest areas of pelvis are?
Sacroiliac region
Ala of ilium
Pubis ramus
If femur is pushed into acetabulum what kind of fracture is that?
Blow out
Piriformis origin and attachment?
Origin- anterior part of sacrum
Insertion- greater trochanter of femur
Obturator internus origin and attachment?
Origin- internal surface of obturator membrane
Insertion- medial surface of greater trochanter
What does obturator nerve supply in thigh?
The pectineus, adductor, gracillis and external obturator muscles
What are potential consequences of damage to pubococcygeus?
Urine incontinence, faecal incontinence, back pain, tissues bulging out of vagina, painful sex, pressure, pain or fullness in vagina or rectum
Where does internal iliac artery end?
At edge of greater sciatic foramen, dividing into anterior and posterior division.
Posterior division of internal iliac supplies?
Iliolumbar, lateral sacral and superior gluteal