TOPIC 20A - ART COXAE, DORSAL, DEEP + CAUDAL MUSCLES OF BUTTOCK Flashcards
what type of articulation is art coxae?
spheroidal
what bones is art coxae between?
head of the femur and acetabulum
what is the function of labrum acetabulare?
deepens the acetabulum
attachment of joint capsule
why is movement in the art coxae restricted in Un?
due to the shape of the head of the femur, interarticular ligaments and massive muscles
what is the joint capsule indented by?
ligament of femur head
list the ligaments of the art coxae
lig capitis ossis femoris
lig accessorium ossis femoris (eq)
lig transversum acetabuli
which ligament is specific to eq?
lig accessorium ossis femoris
where is lig capitis ossis femoris located?
btw fovea capitis and fossa acetabulare
what muscle does lig accessorium ossis femoris detach from?
m. rectus abdominis
where is lig accessorium ossis femoris located?
passes through incisura acetabularis after running through sulcus lig accessorii ossis femoris and inserts on fovea capitis
where is lig transversum acetabuli located?
bridges acetabular notch
what does lig transversum acetabuli do?
holds the other ligaments inplace
list the dorsal muscles of the hip (each species) (8)
m gluteus supf m gluteus medius m gluteus prof m piriformis (ca) m gluteus access (Un only) m gluteobiceps (bo, su) m tensor fascia lata m caudofemoralis (fe)
list the caudal muscles (4)
m biceps femoris m abductor cruris caudalis (Car) m semitendinous m semimembranous m articularis coxae (eq, car)
list the deep muscles (5)
m obturator ext m obturator int m quadratus femoris m gemelli m articularis coxae (eq, car)
what is the additional deep muscle of the hip that eq and car have
m articularis coxae
where does m articularis coxae lie
what does it do
describe it
craniolateral aspect of joint capsule
tenses the capsule
small and thin
dorsal muscle only in cats
m caudofemoralis
origin insertion and function of m caudofemoralis
O: 2-4 caudal vertebrae
I: fascia lata and patella
F: Extends hip and abducts
what muscles do you need to name in this topic
dorsal
caudal and
deep