Calcaneal Apophysitis
Calcaneal Apophysitis is the technical name for severs disease. This is an injury or inflammation to the back of the heel bone in growing kids. The classic symptom is pain on squeezing the sides of the heel bone. The pain is usually present with activity and can limit sports participation.
This video from PodChatLive is an in-depth look into calcaneal apophysitis.
The standard treatment for this condition is to use a heel raise to lesson the pull from the achilles tendon and cushion the impacts with the ground. A reduction is sports activity is often needed. If none of these treatments help, then calcaneal apophysitis should be placed in a walking cast.