Hip/pelvis Flashcards
(164 cards)
hip articulation is formed by what
femural heal and acetabulum
hip transmits what types of loads
tensile and compressive
what type of joint is the hip?
ball and socket
what is another name for ball and socket
spheriodal
how many planes of movement does the his go through
3- sagittal, frontal, transvers
sagittal plane of hip movement
flexion extension around transverse axis
frontal plane of hip movement
abduction and adduction around ant/post axis
transverse plane of hip movement
internal/external rotation around vertical axis
os coxa is made up of
ilium, pubis, ischium
ilium forms which portion of os coxa
superior 2/5
ischium forms which portion os coxa
posterior 2/5 acetabulum and ramus
ischium + ramus=
ischial tuberosity
pubis for which portion os coxa
anterior 1/5 acetabulus.
smallest bone of os coxa
pubis
what are the parts of the pubis bone
body, inf and sup rami
by what age is acetabular development complete?
age 8
what of the acetabulum changes at puberty?
acetabular depth
why does the acetabulum increase depth?
development of three secondary ossification centers
which way is the acetabulum angled
lateral, inf, ant
what increases joint stability of the acetabulum?
acetabular rim–> labrum
what lines the acetabulum
hyaline cartilage (articular cartilage)
what part of the acetabulum is not covered with cartilage?
fovea capitis
what three joints make up the pelvic girdle
acetabulofemoral
sacroiliac
pubic symphysis
what is the most stable joint in the body
acetabulofemoral