A mother with a 12-month-old male African American child is in the clinic to discuss his bowed ...

A mother with a 12-month-old male African American child is in the clinic to discuss his bowed legs.. She states that the child's father and grandfather both have it, and it was never treated. She doesn't want him to look funny.
 
  With your knowledge of infantile Blount's disease, you know that which of the following is true? 1. Infants that are early walkers are more prone to infantile Blount's disease.
   2. Typically, hereditary factors are involved.
   3. Long-leg, cumbersome braces are well tolerated.
   4. Blount's disease should not be treated until after age 4.