Overview
Flatfoot is a condition where the arch of the foot is low or collapses. It can be flexible or rigid.

Causes and risk factors
Genetics, tendon dysfunction, injury, and obesity can contribute.

Symptoms
Foot fatigue, pain along the arch or heel, and altered gait.

Diagnosis
Physical exam and imaging if needed.

Treatment
Supportive footwear, orthotics, stretching, and physical therapy. Surgery is considered for severe or rigid cases.

When to seek care
Persistent pain or progressive deformity should be evaluated.