Foot Muscle Weakness and Flat Feet

The foot muscles on the underside of the arch are like the supports of a bridge. When they become weak the can no longer keep they bridge from collapsing.

Do flat feet cause knee problems? - Chris Bailey Orthopaedics

Identifying Flat Feet and Ankle Pronation, Blog

Science - Structures / Forces

Flat Feet - All You Need to Know

Flat feet - NHS

6 Flat Feet Exercises To Strengthen Fallen Arches - GoodRx

Solutions for Dealing With Flat Feet

The PATH Rehab & Performance - Benefits of Barefoot Shoes on Foot Health

Flat Feet: Causes, Symptoms, Treatment and Cost