11

Question 1

general about the fetlock joint

Answer 1

• hingejoint - NO lateral instability
• articular concavity and convexity.
• joint prone to hyperextension bc of the angle which make this an important joint

Question 2

what are the SB’s called for the horse

Answer 2

two prox sesamoid bones on ph1

fix position of joint(lots of weight)

Question 3

name 3 articular features not related to theSB’s

Answer 3

1. lig collat lat et med
2. rec. dors et palm (support range of motion
3. lig palmare

Question 4

name two important bone structures for this joint

Answer 4

trigonum phalangis prox (lig. sesam. obl)

tuberositas ossis metacarpalis III (FL only)

Question 5

name the 2 prox sesamoid ligaments

Answer 5

1 - lig metacarpeaintersesamoidea

2- lig carpi palmare(from dist on antebrachium to prox metacarpea III)
–>m. interosseus medius
O: lig carpi palmare
I: prox SB’s and proc. ext on ph3

also considered a sital SB lig!

Question 6

name the 2 middle sesamoid ligaments

Answer 6

1 - lig palmaria (btw the SB’s)

2 - lig sesam collat M/L: an angular ligament to prox and dist bone

Question 7

name the 4 distal SB ligaments!

Answer 7

1 - lig ses. brevis2
2 - lig ses cruciatum2
3 - lig ses rectum (from both SB but insert together on ph2
4 - lig ses obliquin*2 along the trigonum