Pelvic Limb II Flashcards
The pubis and ischia joint at what structure?
pelvic symphysis
Coxofemoral joint articulates with?
Head of femur and acetabulum of os coxa
What is the coxofemoral joint anchored by?
ligament of femoral head and transverse acetabular ligament
Coxofemoral type of joint?
Synovial AND ball and socket
Coxofemoral joint articular capsule is not very tight so…
very mobile and injury prone
Articulation points of sacroiliac joints?
auricular surface of ilium articulates with auricular surface of sacrum
Articulation of stifle joint?
Convex femoral condyles and flattened tibial condyles
3 components of stifle joint?
Menisci, bicondylar synovial joint, capsule
Type of pads of meniscus?
fibrocartilaginous
Shape of menisci?
semilunar
Functions of menisci?
increases joint congruence
even load distribution
decreases friction
Motion of bicondylar synovial joint?
hinge motion
How many sacs in stifle joint capsule?
3 intercommunicating sacs
Location of sacs?
2 between each opposing condyles
1 big one on cranial femur
Clinical relevance of sacs?
infection, cells, blood will likely migrate to ALL sacs
Sacrotuberous ligament not present in what species?
cats
Attachments of sacrotuberous ligaments?
trasnverse processes of S3 and CD1 to ischiatic tuberosity
Sacrotuberous is an important muscle attachment site of? (2)
biceps femoris
superficial gluteal
Intracellular ligaments?
cruciates
Extracellular ligaments?
collateral
Function of cruciate?
limit medial rotation of tibia AND craniocaudal displacement of femur and tibia AND joint hyperextension
Function of collateral ligg.?
limit mediolateral/rotational movement
Lateral collateral movement?
Adduction
Medial collateral movement?
Abduction
Coxofemoral joint luxation common name and frequency? Cause?
Hip dislocation and very common
Trauma
What direction of the joint luxated? Two reasons?
Craniodorsally
Direction of forces on hindlimb and pull of gluteal mm.
What also ruptures with hip dislocation?
ligament of fibular head and articular capsule
What is the most torn ligg. in dogs?
CCL
What animals are at risk of CCL rupture?
obese and large breed dogs
Common causes of CCL rupture?
excessive medial rotation of tibia OR lateral rotation of femur OR hyperextension of stifle
Why are CrCL ruptures more common than CaCL ruptures?
not as robust, less substantial
Test to identify ruptured CCL?
Cranial drawer test
Bones associated with tarsocrural?
distal tibia, fibula and talus
Bones associated with tarsometatarsal?
distal tarsals 1-4, proximal MT 2-5
Bones associated with proximal intertarsal?
distal talus, calcaneus, proximal central tarsal, tarsal 4
Bones associated with distal intertarsal?
distal central tarsal and proximal tarsals 1-3