Wondering why your arches seem to vanish when you stand? You’re not alone. This quick-read guide answers the most common questions about flat feet — short, sharp, and helpful.
Common Questions About Flat Feet
Q: What are flat feet?
A: Flat feet (fallen arches) occur when the arches on the inside of your feet collapse while standing, so most or all of the sole touches the ground.
Q: What causes flat feet?
A: Genetics, injury, arthritis, tendon problems (especially the posterior tibial tendon), muscle weakness, pregnancy, obesity, and some neurological or connective tissue conditions.
Q: Are flat feet hereditary?
A: Often. Foot shape, ligament laxity, and bone structure that predispose to flat feet can run in families.
Q: Are flat feet always a problem?
A: Not necessarily. Many people have flat feet with no pain. It’s a problem if you develop discomfort, fatigue, or alignment issues.
Q: What symptoms can flat feet cause?
A: Arch or heel pain, ankle instability, swelling, shin splints, knee or hip pain, and lower back discomfort from altered gait.
Q: Can flat feet cause knee or back pain?
A: Yes. Overpronation can affect alignment up the kinetic chain, contributing to knee, hip, and lower back pain.
Q: How are flat feet diagnosed?
A: A podiatrist examines your feet standing and walking; they may use imaging (X-ray/ultrasound/MRI) if needed to assess bones and tendons.
Q: What’s the difference between flexible and rigid flat feet?
A: Flexible: an arch appears when sitting or tiptoeing but flattens with weight. Rigid: little or no arch even when non-weight-bearing.
Q: Can you fix flat feet?
A: You can’t usually create a permanent arch in adults, but you can improve comfort and function with exercises, supportive shoes, and orthotics.
Q: What shoes are best for flat feet?
A: Supportive shoes with structured arch support, firm midsoles, and stability features. Avoid overly soft, unsupportive footwear for daily use.
Q: Do orthotics help flat feet?
A: Yes. Custom or quality over‑the‑counter orthotics can improve alignment, reduce strain, and relieve pain in the feet, knees, and back.
Q: Can flat feet be corrected with exercises?
A: Exercises strengthen supporting muscles (arches, calves, hips) and improve stability—especially helpful for flexible flat feet. They don’t “grow” a new arch.
Q: Are flat feet common in children?
A: Very. Most children have flat feet until arches develop (usually by age 6). Persistent pain or asymmetry warrants assessment.
Q: Can flat feet get worse over time?
A: They can—particularly with posterior tibial tendon dysfunction, arthritis, or prolonged overload without support.
Q: Can you run with flat feet?
A: Yes. Many runners have flat feet. Choose supportive shoes/orthotics, build mileage gradually, and strengthen calves/hips to reduce injury risk.
Q: Do flat feet increase injury risk?
A: They can. Overpronation may raise the risk of plantar fasciitis, shin splints, Achilles issues, and knee pain.
Q: When should I see a doctor about flat feet?
A: If you have pain, swelling, reduced mobility, sudden changes in foot shape, or if self-care isn’t helping.
Q: Can flat feet be prevented?
A: Genetic flat feet can’t be prevented, but you can reduce symptoms by wearing supportive shoes, maintaining a healthy weight, and staying active with good form.
Q: Is surgery ever needed for flat feet?
A: Rarely. Considered for severe, persistent pain or deformity that doesn’t respond to conservative care.
Q: Are flat feet linked to other conditions?
A: Yes—associations include arthritis, diabetes, obesity, pregnancy, and certain neurological or connective tissue disorders.
📌 Summary
- Flat feet are common and not always problematic.
- Supportive shoes, orthotics, and strength work improve comfort and alignment.
- See a professional if pain, swelling, or sudden changes occur.
- Surgery is a last resort for severe, unresponsive cases.
Need More Information? Read my Causes and Symptoms of Flat Feet Guide