Tendons, Shoeing, Chronic laminitis Flashcards
What is the laccessory igament of the SDFT? What about the DDFT?
SDFT = Superior check ligament
DDFT= Inferior check ligament
Given that #1 is the SDFT and #2 is the DDFT, fill in the rest
3: Accessory ligament of the DDFT (Inferior check ligament)
4: Suspensory ligament
5: Extensor tendon
What does the suspensory ligament continue on distally as?
Extensor branch of the SL and joins the CDE tendon
Where does the DDFT insert?
P3
Which part of the tendon produces growth factors, intrinsic blood supply, nerves and provies elasticity?
a. Endotenon
b. Epitenon
c. Paratenon
d. Exotenon
a. Endotenon
What is the structure called that surrounds tendons?
a. Endotenon
b. Epitenon
c. Paratenon
d. Exotenon
Epitenon
Which part of the tendon surrounds tendons not in a sheath?
a. Endotenon
b. Epitenon
c. Paratenon
d. Exotenon
c. Paratenon
Which is lost first, center or peripheral crimp of a tendon?
Center
Why are tendons less elastic after an injury?
Scar formation (type III collagen remodels over time to include type I which is less elastic)
Why is trauma to the palmar aspect of the pastern/metacarpus more serious?
Flexor tendons are constantly under strain (bear weight)
Which 2 tendons or ligaments are most prone to inury?
SDFT
SL
How long is the inflammatory phase after a tendon injury?
1-2 weeks
What is the best tool for diagnosing tendonitis? When is the best time to use this tool?
Ultrasound
1 week after injury
How many US zones are in the metacarpal region? Pastern region?
7
3
Which type of tendon injury is usually more hypoechoic on US, chronic or acute?
Acute
What occurs if the SDFT ruptures? What occurs if both the SDFT and the DDFT rupture?
Fetlock drops
Fetlock drops and toe lifts
Forelimb: What is your diagnosis?
Large core lesion of the SDFT
What do all treatment regimens for tendonitis include?
Rest
Controlled exercise program
How long should you perform cold hydrotherapy on a horse with tendonitis?
20 min (max 30 min)
What is the principle behind intra-lesional bone marrow to treat tendonitis?
Provides growth factors to stimulate tissue repair
T/F: The annular ligament is inelastic.
True
What is the most important component of successfully treating tendonitis?
Rehabilitation
What has ruptured if the fetlock is on the floor and the toe is pointed straight up?
SDFT
DDFT
Suspensory apparatus
In what horses may it be normal for the toes to be slightly lifted?
Newborn foals