What are the causes?

There are 2 major causes:
-Congenital flat foot: it develops from infancy, it may stabilize during growth, but it can also decompensate rapidly during adolescence. It is truly from 7 to 8 years that we can talk and discuss a flat foot insoles treatment in children.

- Degenerative flat foot in adults: most often it is a deformation occurring around age 50, it is due to impairment of the posterior tibial tendon. Achievement of this TP is first manifested by pain which reflect the internal tendinopathy of the tendon and tendon rupture can abruptly worsen this table.