Kohlers Disease (Navicular Apophysitis)

This manifests as a disturbance at the insertion of the Posterior Tibial Tendon on the growth plate of the Navicular.
Again more common in young boys but girls often suffer from this too.

Some feet are more prone to excess pronation which leads to a flatter arch than normal . The movement involved in pronation leads to traction force of the Posterior Tibial Tendon which is on of the main Anti-Pronation muscle/ tendons . It’s job is to eccentrically assist reduction of pronation and concentrically assist the arch to reform during walking .

If it fails to do it’s job, it can increase the traction force on the growth plate of the Navicular.

This will manifest as pain on touch, and on activity.

It can hurt to wear shoes as the shoe presses on the sensitive bone.

It can swell appearing as a bump on the navicular.

Reducing the traction force becomes a priority and this must coincide with identifying the forces that cause the excess pronation .

Reducing those forces will allow recovery to take place.