ORG ANA: Surface Anatomy of Pelvis and Sacral Plexus Flashcards
level of iliac crest
L4
relate the bladder in children below 6 yo
abdominal organ bc capacity of pelvic cavity id not enough to contain it
loc of neck of bladder
below level of symhpysis pubis
where can the uterus be palpated towards end of 2nd month of pregnancy
lower part of abdominal wall
explain progressive enlargement of uterus
fundus rises to umbilicus until xiphoid by 9th month
what type of joint is the sacroiliac
plane
what supports sacroiliac joint
posterior, anterior sacroiliac and interosseous sacroiliac ligaments
function of sacroiliac joint
transmits weight of body from VC to pelvis
what type of joint is symphysis pubis
cartilaginous - no movement
what type of joint is sacrococcygeal joint
cartiliaginous - flex-ext
betw last sacral and first coccyx
vertebral root of sciatic
L4-S3
vertebral root of sup. gluteal
L4-S1
vertebral root of inf. gluteal
L5-S2
vertebral root of n. to quad fem
L4-S1
vertebral root of n. to obturator internus
L5-S2
vertebral root of posterior cutaneous n. of thigh
S1-S3
vertebral root of pudendal
S2-S4
vertebral root of n. to piriformis
S1-2
what forms pelvic splanchnic nerves
2nd to 4th sacral nerves and synapse w inferior hypogastric plexus
what does pelvic splanchnic nerves supply
large bowel from left colic flexure to upper half of anal canal
where is superior hypogastric plexus
sacral promontory
what does inferior hypogastric plexus supply
rectum, base of bladder and vagina
what does sciatic nerve supply
becomes
tibial nerve: posterior compartment of leg
peroneal: anterior and lateral compartment
what does nerve to quadratus fem supply
gemellus inferior and quadratus fmeoris
