<prompt> What is a straddle fracture?Fracture of the skullFracture of the C5 veebraMultiple rib fracture both sides of the midlinePelvic fracture  <response>: Straddle fracture of the pelvis fracture of both superior and inferior pubic rami is considered an unstable injury. The mechanism is a veical shear injury in this case a car accident. Withstraddle fractures, there is a 40 chance of injury to the genitourinary tract Ref ganongs review of medical physiology 25e 