Trauma to the anterior urethra can be caused by straddle injuries—coming down hard on something between your legs, such as a bicycle seat or crossbar, a fence, or playground equipment.
Trauma to the posterior urethra can be caused by pelvic fractures from:
- Car crashes
- Crush injuries
- Falls from very high heights
- Bullets or knives
For females, urethral injuries can also be caused by sexual assault.