Pes Planus Foot: Symptoms, Diagnosis, and When to Seek Medical CarePes Planus, or flat feet, occurs when the foot's arch collapses, causing full or near-full sole contact with the ground. It may result from genetics, obesity, or arthritis, and commonly leads to symptoms like foot pain, swelling, and overpronation that can affect gait. Left untreated, Pes Planus can cause knee,…Pes Planus, or flat feet, occurs when the foot's arch collapses, causing full or near-full sole contact with the ground. It may result from genetics, obesity, or arthritis, and commonly leads to symptoms like foot pain, swelling, and overpronation that can affect gait. Left untreated, Pes Planus can cause knee, hip, and back pain, and may increase the risk of plantar fasciitis and osteoarthritis. Diagnosis involves physical exams and imaging, while effective management includes orthotic support, targeted exercises, and lifestyle changes. Early intervention is key to preventing chronic complications. Learn more about symptoms, treatment options, and when to seek professional advice for flat feet.