Podiatry Factoid

The two feet may be different sizes. Buy shoes for the larger one.
Glossary - I

Immersion foot - a condition resembling trench foot occurring in persons who have spent long periods in water.

Instep - the dorsal part of the arch of the foot.

Intermittent double-step gait - a hemiplegic gait in which there is a pause after the short step of the normal foot, or in some cases after the step of the affected foot.