How do osteoporotic fractures occur?

Updated: Aug 27, 2020
  • Author: Monique Bethel, MD; Chief Editor: Herbert S Diamond, MD  more...
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Osteoporotic fractures represent the clinical significance of these derangements in bone. They can result both from low-energy trauma, such as falls from a sitting or standing position, and from high-energy trauma, such as a pedestrian struck in a motor vehicle accident. Fragility fractures, which occur secondary to low-energy trauma, are characteristic of osteoporosis.

Nearly all osteoporotic hip fractures are related to falls. [22] The frequency and direction of falls can influence the likelihood and severity of fractures. The risk of falling may be amplified by neuromuscular impairment due to vitamin D deficiency with secondary hyperparathyroidism or to corticosteroid therapy.

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