Learning Issues
1. What does crepitation indicate?
2. What are common congenital problems do Thoroughbreds have?
3. What does pitting edema indicate?
4. What diagnostic procedures are available for distinguishing types of trauma to the 
equine fetlock?

Hypothesis 1
1. Review of the bones in and around the fetlock.

Hypothesis 2
1. What ligaments around the fetlock are susceptible to trauma?
2. Can these injuries occur without superficial damage?

Hypothesis 3
1. What are the clinical signs of osteomyelitis and do they fit this case?
2. What tests are available to determine whether the foal is experiencing failure of 
passive transfer (although not likely in this case)?
3. How long would navel ill take to result in infectious arthritis (this foal may be too 
old)?