Pelvic Girdle Flashcards
what forms the pelvic girdle?
2 coxal bones
what forms the bony pelvis?
2 coxal bones, sacrum and coccyx
types of bones
large and heavy
how is the pelvic girdle attached to the axial skeleton?
sacrum attaches to the lumbar vertebrae
most important function of the pelvic girdle
bearing weight
what does the pelvic girdle protect?
reproductive organs, urinary bladder, part of the large intestine
what are the 3 bones of the pelvis?
ilium, ischium, pubis
description of the ilium
large, flaring bone
when you rest your hands on your hips what are you resting on?
alae (winglike portions of ilia
upper edge of the ilia
iliac crest
importance of the iliac crest
important anatomical landmark and site for injections
most inferior part of the coxal bone
ischium
ischium description
sit-down bone
the roughened area that receives body weight when sitting down
ischial tuberosity
what is the importance of the ischial spine?
anatomical landmark (especially in pregnant women) that narrows the outlet of the pelvis through which the baby must pass
allows blood vessels and large sciatic nerves to pass from the pelvis posteriorly into the thigh
greater sciatic notch
when injecting in the buttock what area should you avoid?
greater sciatic notch
most anterior part of the coxal bone
pubis
an opening that allows blood vessel and nerves to pass into the anterior part of the thigh
the obturator foramen
pubic bones of each hip fuse anteriorly to form a cartilaginous joint called what
pubic symphysis
where do all coxal bones fuse?
acetabulum
what does the pelvis contain?
reproductive organs, urinary bladder, parts of the large intestine
