Lab 9 Hind Limbs Learning Objectives Flashcards
palpable bony land marks hindlimb of horse
tuber coxae, tuber sacrale, ischiatic tuberosity
superficial drainage of the hindlimb
medial saphenous vein (cr and cd branches) and lateral saphenous vein to femoral vein
medial saphenous vein
emerges between sartorial and gracilis on medial surface of thigh; bifurcates in proximal part of leg after it runs over stifle into cr and cd branches
cd branch medial saphenous vein
passes cddistally and run sin depression between common calcanea tendon and eep digital flexor to the jock
cr branch medial saphenous vein
continues distally crossing medial surface of tibia and anastomoses with cranial tibial vein at hock, ends on dorsomedial surface of hock by giving rise to dorsal common digital vein
veins in hind limb
femoral, popliteal, cr tibial, medial and lateral plantar
bony landmarks of pelvis
tuber coxae, tuber sacrale, ischiatic tuberosity
- tuber coxae most cr, tuber sacrale most dorsal, ischiatic tiberoslty most cd and ventral
bony landmarks of femur
greater, lesser, and 3rd trochanters
- greater lateral, cr
- lesser medial
- 3rd lateral, ventral
what happens over tarsocrural joint
anastomosis of cr tibial with cr branch of medial saphenous vein
femoral nerve
- saphenous nerve is a branch of large and important femoral nerve
- femoral nerve (L4-L6)
- femoral nerve passes between rectus femoris and vests medals, the cr and medial heads respectively of the quadriceps femoris
- innervates extensor action of quadriceps on the stifle which is essential to support the limb
gracilis attachments and innervation
- proximal attachment along pelvis (iliopubic eminence/ pubis/ symphysis)
- distal attachment to cr tibia and medial patellar ligament
- innervation obturator
adductor attachments and innervation
- proximal attachment along pelvis (iliopubic eminence/ pubis/ symphysis)
- distal attachment distal femur
- innervation obturator nerve
pectineus
- proximal attachment along pelvis (iliopubic eminence/ pubis/ symphysis)
- distal attachment distal femur
- innervation obturator nerve
sartorius
- proximal attachment along pelvis (iliopubic eminence/ pubis/ symphysis)
- distal attachment iliac fascia to medial aspect of stifle
- innervation femoral nerve
adductors
gracilis, adductor, pectineus, sartorius (some adduction)
sartorius fx
some adduction, hip flexion, only one belly unlike dog who has cr and cd belly
quadriceps femoris 4 heads
vastus lateralis, vastus medialis, vastus intermedius, and rectus femoris
quadriceps femoris attachments
- all vastus heads arise from proximal femur
- rectus femoris arises from ilium just cr to acetabulum
- all attach via patellar ligaments to tibial tuberosity
- innervation- via femoral nerve