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pelvis review

Stack #85816

QuestionAnswer
Sacroilliac joints connect the sacrum & Illium
sacrotuberous ligament posterior thick ligament from inf. sacrum to iscial tuberocity
glutes max & Biceps femoris long head attach to sacrotuberous ligament
sacrlspinous ligament sacrum to ischial spine
greater sciatic foramen above sacrotuberous & sacrospinal ligaments where the sciatic nerve passes thru
Iliolumbar ligament illium to parts of lumbar vertebrae
symphisis pubis anterior joint on pelvis
pubic bones and pubic symphysis form anterior wall of pubis
anterior wall bears weight of the bladder
obturator foramen foramen in anterior pelvis where abturator nerve passes
obterator externus anterior of obterator foramen
Obterator internus posterior of obterator foramen
posterior pelvic wall sacrum & coccyx
post pelvic wall muscle piriformus
piriformis sacrum to greater trochanter of femur
pelvic floor group of muscles called pelvic diaphragm
pelvic diaphragm/breathing also moves with normal breathing
pelvic diaphragm muscles that form the pelvic floor (coccygeaus, levator ani)
support abdominal pelvic viscera pelvic floor muscles
Nerves of the pelvis sacral plexus
sacral plexus L4-S4
Sciatic nerve main nerve that arises from sacral plexus, runs length of posterior thigh, 2 nerves that split at the knee into tibial & common fibular
hamstring innervation sciatic
pudendal nerve main nerve of genitals & perineum
gluteal nerve part of sacral plexus innervate gluteals & tensor fascia lata
obterator nerve innervates obturators
obturator nerve arrises from lumbar plexus
femoral nerve branch of lumbar plexus
coccygeal plexus s4, s5 + coccygeal nerve - innervate muscles of pelvic diaphragm
arteries of pelvis internal illiac arteries, deliver to lesser pelvis
internal illiac veins drain pelvis
external illiac arteries become femoral artery
common illiac veins form inferior vena cava
Created by: goodbunn
 

 



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