The local separation of a bone into two or more pieces under the action of stress. Strong force is required to produce a fractured tibia. As a result, soft tissue damage, devascularization, and open fracture are frequent. The tibia is one of the more common sites of a stress fracture. Complications are compartment syndrome, fat embolism, problems associated with bony union, and possible infection associated with open fracture.
Thats what I put, hope it helps