TOPIC 22A - ART FEMEROPATELLARIS + CRANIAL MUSCLES OF THIGH

Question 1

what type of articulation is art femeropatellaris?

Answer 1

art simplex, uniaxial, sledge (delabens)

Question 2

list the ligaments of art femeropatellaris?

Answer 2

lig femeropatellare lat + med
lig patella
retinaculum patellae

Question 3

what is the retinaculum patellae formed from?

Answer 3

fascia lata and aponeurosis of muscles

it covers the stifle

Question 4

what is the origin and insertion of lig femeropatellare lat + med?

Answer 4

o: lat + med epicondyles
i: patella

Question 5

what is the origin and insertion of lig femeropatellare lat + med in ca?

Answer 5

o: lat + med vesalian/sesamoid bones
i: patella

Question 6

how many lig patellae in ca?

Answer 6

1

Question 7

how many lig patellae in eq + bo?

Answer 7

3

Question 8

name the 3 lig patellae in eq + bo

Answer 8

lig patellae laterale
lig patellae mediale
lig patellae intermediale

Question 9

where does the lig patella in ca and lig patellae intermediale in eq + bo originate?

Answer 9

tendon of m. quadriceps femoris

Question 10

describe the lig patellae laterale + mediale

Answer 10

thickened ligamentous part of the retinaculum patellae

Question 11

where does lig patella in ca and lig patellae intermediale in eq + bo insert?

Answer 11

tibial tuberosity

Question 12

name 3 other importsnt structures associated with art femeropatellaris

Answer 12

bursa infrapatellaris
rec. suprapatellaris
corpus adiposum infrapatellare

Question 13

in which species is bursa infrapatellaris proximalis present in?

Answer 13

eq

Question 14

the patellar loop mechanism is present in which species?

Answer 14

eq

Question 15

what is the patellar loop mechanism?

Answer 15

a locking mechanism which gives hindlimb support allowing horses to stand for long periods of time without tiring

Question 16

what forms the loop?

Answer 16

patella

mediale + intermediale patellar lig

Question 17

how is the patella hooked over the trochlea?

Answer 17

contraction of m quadriceps femoris

Question 18

what structure only present in horses also facilitates the hooking?

Answer 18

tuberculum trochlea ossis femoris

Question 19

list the cranial muscles of the thigh

Answer 19

m. quadriceps femoris

m. tensor fascia latte

Question 20

list the stifle extensors (ca) (5)

Answer 20

m. quadriceps femoris
m. tensor fascia latte
m. sartorius cranial part
m. biceps femoris
m. ext. dig. longus

Question 21

list the stifle flexors (ca) (8)

Answer 21

m. biceps femoris
m. abductor cruris caudalis
m. semitendinosus
m. semimembranosus
m. sartoruis caudal part
m. gracilis
m. popliteus
m. flex. dig. supf.