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Stress Fracture

Stress fractures are very small, fine breaks in a bone. They most often occur in the bones of the lower legs and feet. Stress fractures are caused by repeated shock to the bone. They are most common with high-impact sports, such as basketball, tennis, and running. Poorly cushioned shoes, hard surfaces, tight muscles or tendons, and a sudden increase in exercise time or intensity can contribute.

Symptoms of stress fractures

A stress fracture may cause sharp pain that slowly increases during activity and goes away with rest. The pain often gets worse when weight is put on the leg or foot. In some cases, a stress fracture may cause no pain at all.

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Your evaluation

Your doctor will ask you questions about your activities and your health history. Be sure to tell your doctor about any changes to your exercise or training routine, such as a change in playing surface. Stress fractures don’t always show up on X-rays, so your doctor may order bone scans, or magnetic resonance imaging (MRI).

Treating stress fractures

Rest is the best way to treat a stress fracture. If the leg or foot is not rested, the fracture will likely become worse and harder to heal. To ensure proper healing:

  • Replace high-impact activities with low impact ones, such as swimming or cycling, until the fracture has healed. This takes about 6 to 8 weeks.

  • Use ice, heat, and over-the-counter pain relievers as directed by your doctor.

  • Use crutches as directed by your doctor if walking is painful.

  • Wear a special walking cast or shoe if your doctor recommends. These can improve healing of certain types of fractures.

  • Stretch and warm-up before activities.

  • Ease back into activity when your doctor gives you the OK.

Preventing stress fractures

To help prevent stress fractures:

  • Ease into new sports activity. If you run, don’t start at 5 miles a day. Instead, start with 1 mile and gradually increase your miles.

  • Alternate your activities. Work low-impact activities into your routine.

  • If you’re a woman, be sure to get enough calcium and vitamin D. Ask your doctor about supplements.

  • Be sure your shoes are right for the activity you’re doing. Don’t wear shoes that are worn out.

  • Stop an activity if you have pain or swelling. Rest until the pain goes away. 


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