TOPIC 23A - ART TARSI + ITS MUSCLES

Question 1

how many tarsal bones in ca + sus?

Answer 1

7

Question 2

how many tarsal bones in eq?

Answer 2

6

Question 3

how many tarsal bones in bo?

Answer 3

5

Question 4

in which species is os centroquartale present in and what is it?

Answer 4

bo

os tarsi centrale + os tarsale IV are fused

Question 5

in which species is os cuneiforme intermediolaterale and what is it?

Answer 5

bo

os tarsale II + III are fused

Question 6

what is art tarsi also known as?

Answer 6

hock joint

Question 7

what type of joint is art tarsi?

Answer 7

art composite

Question 8

name the membranes in the joint capsules

Answer 8

membrana fibrose

membrana synoviales

Question 9

what does membrana synoviales do?

Answer 9

forms 4 synovial sacs for 4 levels of articulation

Question 10

name the 4 synovial sacs

Answer 10

tarsocrural cavity
prox + dist intertarsal cavity
tarsometatarsal cavity

Question 11

list the articulations of art tarsi (7)

Answer 11

art tarsocruralis
art intertarsea proximalis
art intertarsea distalis
art tarsometatarsea
art talocalcanea
art talocentralis
art intertarsea

Question 12

what type of joint is art tarsocruralis?

Answer 12

cochlear joint

Question 13

where is art tarsocruralis located in ca?

Answer 13

btw talus + tibia and calcaneous + fibula

Question 14

where is art tarsocruralis located in in bo?

Answer 14

btw talus + tibia and calcaneous + os mallelare

Question 15

where is art tarsocruralis located in in eq?

Answer 15

only btw talus + tibia

Question 16

name the 3 pouches within the joint capsule of art tarsocruralis

Answer 16

rec. dorsalis

rec. plantaris (x2)

Question 17

where is rec. dorsalis located?

Answer 17

under m. tibialis cranialis

Question 18

where is rec. plantaris located?

Answer 18

prox. to lat + med malleoli

Question 19

art intertarsea proximalis is divided in two?

Answer 19

art talocalcaneocentralis

art calcaneoquartalis

Question 20

what type of joint is art intertarsea distalis, art tarsometatarsea, art intertarsea?

Answer 20

amphiarthrosis

Question 21

what is art talocalcanea and art talocentralis covered by?

Answer 21

art talocalcaneocentralis

Question 22

list the ligaments of art tarsi (7)

Answer 22

lig collateralia
lig tarsi proximalia
lig tarsi distalia
lig tarsi dorsalia
lig tarsi plantaria
lig tarsi interossea
lig tarsometatarsea

Question 23

name the collateral ligaments (4)

Answer 23

lig collaterale tarsi laterale longum + breve

lig collaterale tarsi mediale longum + breve

Question 24

name the ligaments of lig tarsi proximalia (2)

Answer 24

lig talocalcaneum laterale

lig talocalcaneum dorsalia

Question 25

names the ligaments of lig tarsi distalia (3)

Answer 25

lig tarsi distalia dorsalia + plantaria + interossea

Question 26

name the ligaments of lig tarsi dorsalia (2)

Answer 26

``` lig centrodistalis dorsalia lig talocentrodistometatarseum (eq and Bo only) ```

Question 27

what species is lig talocentrodistometatarseum present in?

Answer 27

eq + bo

Question 28

where is the origin and insertion of lig talocentrodistometatarseum?

Answer 28

o: tuberculum tali i: dorsal surface of MT bones

Question 29

name the ligament of lig tarsi plantaria

Answer 29

lig plantare longum

Question 30

what is the origin and insertion of lig plantare longum?

Answer 30

o: distally on calcaneous i: MT bones (covers the talus)

Question 31

list the tarsal flexors

Answer 31

m. tibialis cranialis m. peroneus longus m. peroneus brevis (not in eq) m. peroneus tertius (not in ca) m. ext. dig. longus m. ext. dig. lat m. ext. dig. I longus (not in eq)

Question 32

list the tarsal extensors

Answer 32

m. gastrocnemius m. soleus (not in ca) m. flex. dig. supf. m. flex. dig. prof. m. tibialis caudalis (part of DDF in eq) common calcanean tendon

Question 33

what is the common calcanean tendon made of?

Answer 33

tendo plantaris tendo m. gastrocnemius (achilli) tendo accessorius

Question 34

the tendo accessorius come from where?

Answer 34

lat: m. biceps femoris med: m. gracilis + m. semitendinosus

Question 35

list the bursa of the tendo calcaneus communis

Answer 35

bursa subcutanea calcanea bursa subtendinea calcanea bursa tendinis calcanea