Stress Fracture

Stress fractures are small cracks in bone caused by repetitive force or overuse rather than a single injury. They are common in runners and military recruits and often present with insidious onset of pain.

Table of Contents

Quick Facts

  • ICD-10: M84.3
  • Common sites: Tibia, metatarsals, femoral neck

Risk Factors

  • Rapid increase in training intensity
  • Poor footwear or running surface
  • Female athlete triad (low energy availability, menstrual dysfunction, low bone density)
  • Vitamin D deficiency
  • Smoking

Diagnosis

  • X-ray (may be normal early)
  • MRI or bone scan for definitive diagnosis

Treatment

  • Rest from the offending activity (often 6–8 weeks)
  • Boot or crutches for high-risk locations
  • Address underlying risk factors
  • Gradual return to activity
  • Surgery for high-risk locations (femoral neck, anterior tibia) that may not heal
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • American Academy of Orthopaedic Surgeons. Stress Fractures.