Runners training for a marathon can get a stress fracture if they. escalate their training too quickly. Stress fractures occur when too much weight or stress is put on a weakened bone. It's often the result of an imbalance in bone health caused by actions that outpace the body's natural bone rebuilding process. See Stress Fracture Risk Factors.
Definition of MDF (Medium-Density Fiberboard) Medium-density fiberboard (MDF). Definition. Medium-density fiberboard, or MDF, is a manufactured (engineered) wood product composed of wood fibers that are mixed with resin and wax and pressed into flat panels under high temperature and pressure. It is used much like plywood as a building material in residential and commercial construction.
A Rectovaginal Fistula (RVF) is a tract or hole between the rectum and the vagina. It allows the involuntary passage of faeces from the rectum through the vagina. An RVF is often the result of trauma during childbirth in situations where there is inadequate health care.