TOPIC 15A - HORSES ART INTERPHALANGEA PROX. ET DIST. OF FORELIMB + MUSCLES

Question 1

what is the art interphalangea proximale also know as?

Answer 1

pastern joint

Question 2

what type of articulation is the pastern joint?

Answer 2

saddle joint + acts as hinge joint

Question 3

what is a saddle joint?

Answer 3

a joint consisting of a concave and convex articular surface

Question 4

name the two recesses in the the joint capsule?

Answer 4

rec dorsalis

rec palmaris

Question 5

list the ligaments of the pastern joint

Answer 5

lig collaterale laterale + mediale

lig palmaria axial + abaxial

Question 6

what forms the scutum mediale (4)?

Answer 6

lig collaterale laterale + mediale
lig palmaria axial + abaxial
lig sesmoidea rectum
P2

Question 7

what is the function of the scutum mediale and scutum distale?

Answer 7

to provides a smooth surface for the passage of the DDF tendon

Question 8

what is the art interphalangea dist also know as?

Answer 8

coffin joint

Question 9

what type of joint is the coffin joint?

Answer 9

composite, saddle joint

Question 10

what bursa is associated with the coffin joint?

Answer 10

bursa podotrochlearis

Question 11

where is bursa podotrochlearis located?

Answer 11

btw the distal sesamoid bone + tendon of DDF

Question 12

where is the scutum distale located?

Answer 12

covers the palmer aspect of the sesamoid bones with cartilage

Question 13

list the ligaments associated with the coffin joint (2)

Answer 13

lig collaterale lat + med

lig dorsalia

Question 14

list the ligaments of hoof cartilage (6)

Answer 14

lig chondrocompedalia lat+med
lig chondrocoronalia lat+med
lig chondrosesamoidea lat+med
lig chondroungularia collateralia lat+med
lig chondroungularia cruciata
lig chondropulvinale

Question 15

list the ligaments associated with the distal sesamoid bones (navicular)

Answer 15

lig sesamoidea collateralia

lig sesamoidea distale impar

Question 16

list the transverse palmar ligaments (3)

Answer 16

lig anulare palmare
lig anulare digitale proximale
lig anulare digitale distale

Question 17

what is the function of the retinaculum flexorum and retinaculum extensorum?

Answer 17

retension mechanism that hold tendons in place

Question 18

list the muscles of the distal forelimb (6)

Answer 18

m. ext. dig. communis
m. ext. dig. lateralis
m. ext. dig. digiti I et II (ca only)
m. abductor digiti I
m. flex. dig. superficialis
m. flex. dig. profundus

Question 19

which distal forelimb muscles have an accessory head in Eq? (2)

Answer 19

m. ext. dig. communis

m. ext. dig. lateralis

Question 20

which distal forelimb muscles have check (accessory) ligaments that contribute to the stay apparatus?

Answer 20

m. flex. dig. superficialis

m. flex. dig. profundus