HIP
what is the acetabulum made of
allium, ischium, pubis
what are the three ligaments of the femur
iliofemoral, ischiofemoral, pubofemoral
what is anteverted hip and retroverted hip
anteverted- toeing in allows for the femoral head to be covered, happens in coxa vera (winking patellas)
retroverted- touring out to allow for the femoral head to be covered, happen in coxa valga (frog eyed)
what are the two primary ossification centers of the femur
shaft and condyle
screw home mechanism
knee "locking" into place to allow a stable, weight bearing position
what is the purpose of the acetabular labrum
deepens the acetbraulum to provide better coverage for the femoral head
what is retinacula
longitudinal folds of the capsule over the neck of the femur
hip is dislocated when the force is applied to a femur that is flexes, adducted and medially rotated
what are the 3 secondary ossification centers of the femur
head, greater trochanter, lesser trochanter
what is the purpose of the cruciate ligaments
Prevent displacement of the tibia & limits rotary movement of knee
ACL- prevents anterior displacement of the tibia relative to the femur
PCL- precepts posterior displacement of the tibia relative to the femur
what connects to the fovea of the head of the femur
the ligament of the head of the femur
which hip ligament is the strongest and which is the weakest
stronges- iliofemoral
weakest- ischiofemoral
which collateral ligament is more often torn
MCL (tibial collateral ligament) b/c it is directly attached to the medial menisci
illiopsoas
how do the femoral condyles move on the tibia
rolling and gliding
what are retinauluar arteries
branches of the medial femoral circumflex artery that runs in the joint capsule and supplies the tea do the femur
what is coxa vera and coxa valga
coxa vera- angle of inclination is less than 125
coxa valga- angle of inclination is greater than 125
what three structure of the knee are most commonly injured together
medial meniscus, MCL, ACL
what muscle group inserts on the greater trochanter
lateral rotators of the hip
what ligaments attach the menisci to the tibial plateau
coronary ligaments
what are the different blood supplies of the hip?
From deep femoral artery:
Medial femoral circumflex artery
Lateral femoral circumflex artery
From internal iliac artery:
Obturator artery
Superior gluteal artery
Inferior gluteal artery
what kind of bone is the proximal epiphysis of the femur made up of
trabecular (lateral, medial and arcuate networks)
what is the test of an ACL injury
anterior draw test
when do the different epiphyseal plates o the femur fuse?
Head- 14-17 years
Greater trochanter- shortly after head
Lesser trochanter- shortly after puberty
Condyle- 16-18 years
what separated the LCL from the lateral meniscus
popliteus tendon