Anatomy Of The Pelvic Region Flashcards
Bones of pelvis made of?
Two innominate form from ilium, ischium and pubis
Pubic symphysis is ?
Fibrocartilaginous disc, wider in females
Sacroiliac joint is?
Secondary cartilaginous joint
Anything above ala is known as?
False pelvis
Outlet of pelvis is made of?
Coccyx, pubic arch, ishcial tuberoisty and sacrotuberous ligament
Open book fracture?
Pubic symphysis completely broken apart
Obturator internus action?
Rotates thigh laterally
Piriformis action?
Rotates thigh laterally and abducts
Pelvic diaphragm made of?
Coccygeus and levator ani muscle
Levator ani formed from?
Puborectalis (allows defecation when relaxes)
Pubococcygeus
Iliococcygeus
Innervation to levator ani?
S4
Levator ani help?
Maintain intraabdominal pressure, help in labour and defecation
Gonadal veins drain back into?
IVC or left renal vein
Pudendal nerve transverses through?
Greater and lesser foramen
Pudendal nerve gives rise to the?
Inferior rectal, posterior scrotal and labial branches and dorsal nerve to penis/clitoris and perineal branches
Pain line?
Anything above felt in abdomen and anything below felt in pelvis
Sacrum is formed from?
Fusion of 5 sacral vertebrae