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Field Notes

Primary Causes of Plantar Fasciitis and Who Is at Risk

Posted on March 18, 2026

Waking up with a sharp ache in your foot, or a burning sensation after a long day, usually points to a specific culprit: plantar fasciitis. Runners, desk workers, and anyone who stands for hours are among those most likely to encounter it. Knowing who is most at risk helps you take proactive steps to protect your mobility.

The Anatomy of Heel Pain

Plantar fasciitis affects a thick band of tissue stretching from your heel to your toes, acting as a natural shock absorber that distributes weight and pressure across the foot. When this tissue becomes inflamed, it causes sharp pain that peaks in the morning or after periods of rest.

Flat feet or unusually high arches place undue stress on the plantar fascia over time. Repetitive strain from running or walking on hard surfaces can lead to micro-tears in the tissue, triggering inflammation. A related and common culprit is the heel spur — a bony growth on the heel bone that, while not always painful on its own, can irritate surrounding tissue.

Four Daily Habits That Put Strain on Your Feet

A supportive mat or specialized indoor shoes can help offset hard flooring, and a few minutes of daily stretching can make a real difference in how your feet feel by evening.

Age, Weight, and Activity Levels That Increase Your Risk

People who fall into multiple risk categories should pay extra attention to footwear and recovery routines, since early action prevents minor discomfort from becoming a chronic issue.

Have questions about this, or want to get checked out?

Southeast Foot Care provides expert foot, ankle, and diabetic wound care in San Antonio. Reach out to schedule a visit with Dr. Wilburn Thomas.

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