Pelvic Limb Osteology Flashcards
(39 cards)
List the 3 bones the make up the pelvis
- Tuber sacrale
- Tuber coxae
- tuber ischiadicum
Which pelvis bone has a cranial and caudal iliac spine?
T. sacrale
The Tuber __________ is more prominent in ruminants and can even assist when you have to BCS or help them stand; hook bone
coxae
What is the pin bone?
T. ischiadicum
What reveals the slope of the pelvis?
The line from the T coxae to the ischiadicum
A high pinned cow can be seen as undesirable due to its probable issues during what?
Birth (aka can be more prone to dystocia)
Describe a characteristic of the greater trochanter in ungulates?
it rises above the femoral head
the insertion for the Iliopsoas is the ________________
Lesser trochanter
Why is the 3rd trochanter absent in ruminants?
Due to the fusion of the sup gluteal muscle to the biceps femoris (gluteobiceps)
True or False: the lateral malleolus is fused in horses to the tibia
true
Describe the fibula in ruminants
Head of the fibula is fused with tibial plateu and distally, it is a separate bone (malleolar bone)
List the proximal row of the tarsus
Talus and calcaneus
List the intermediate row of the tarsus with different species
bovine: central + T IV
equine: central
Which tarsal bones are fused in the distal row of the equine tarsus?
1 + 2
Tarsal bones 2 and 3 are fused in ?
ruminants
T/F: tarsal bone 4 is part of both distal and intermediate rows
true
Which MT are fused in ruminants?
MT 3 and 4
Is MT 3 the same length as MC 3?
No, it is 1/3 longer
Which MT is the vestigial bone in ruminants?
MT 5
The sesamoid bones in the pelvic limb are in the _____________ (palmar/plantar) surface.
Plantar
In the ruminant, which digits are weight bearing?
3 and 4
Dewclaws are non weight bearing phalanges #____?
2 and 5
Swine have 4 complete digits, does it include the MT?
yes
Which joint transmits thrust from the limbs to the spine?
Sacroiliac joint
