Pes planus/flat foot.

What is flatfoot slang for?

flatfoot • \FLAT-foot\ • noun. 1 : a condition in which the arch of the instep is flattened so that the entire sole rests upon the ground 2 a : slang police officer; especially : a patrolman walking a regular beat b : slang sailor.

Which is the main cause of flatfoot?

Causes of Flat Feet and Fallen Arches

Stretched or torn tendons. Damage or inflammation of the posterior tibial tendon (PTT), which connects from your lower leg, along your ankle, to the middle of the arch. Broken or dislocated bones. Some health conditions, such as rheumatoid arthritis.