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Stress Fractures of the Foot and Ankle

Stress Fractures of the Foot and Ankle

A stress fracture is a small crack in a bone, or severe bruising within a bone. Most stress fractures are caused by overuse and repetitive activity, and are common in runners and athletes who participate in running sports, such as soccer and basketball.

Stress fractures usually occur when people change their activities — such as by trying a new exercise, suddenly increasing the intensity of their workouts, or changing the workout surface (jogging on a treadmill vs. jogging outdoors). In addition, if osteoporosis or other disease has weakened the bones, just doing everyday activities may result in a stress fracture.

The weight-bearing bones of the foot and lower leg are especially vulnerable to stress fractures because of the repetitive forces they must absorb during activities like walking, running, and jumping.

Refraining from high impact activities for an adequate period of time is key to recovering from a stress fracture in the foot or ankle. Returning to activity too quickly can not only delay the healing process but also increase the risk for a complete fracture. Should a complete fracture occur, it will take far longer to recover and return to activities.

Stress fractures occur most often in the second and third metatarsals in the foot, which are thinner (and often longer) than the adjacent first metatarsal. This is the area of greatest impact on your foot as you push off when you walk or run.

Stress fractures are also common in the calcaneus (heel); fibula (the outer bone of the lower leg and ankle); talus (a small bone in the ankle joint); and the navicular (a bone on the top of the midfoot).

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