Flat feet in adults can arise from a variety of causes. The most common include:
Other things that can increase your risk include:
- An abnormality that's present from birth
- Stretched or torn tendons
- Damage or inflammation of the posterior tibial tendon (PTT), which connects from your lower leg, along your ankle, to the middle of the arch
- Broken or dislocated bones
- Some health conditions, like rheumatoid arthritis
- Nerve problems
- Obesity
- Diabetes
- Aging
- Pregnancy