Picture of Stress Fracture
A fracture that occurs during the course of normal activity is called a minimal trauma fracture or stress fracture. For example, some patients with osteoporosis develop stress fractures of the feet while walking or stepping off a curb.
Osteoporosis Slideshow: Are Your Bones at Risk?
Image Source: BigStockPhoto / Dale Woodall
Text: MedicineNet - "Osteoporosis"