Total maintenance cost is the sum of material and. labor cost required to repair the item, the cost of preventive maintenance to avoid repairs, plus the cost of. lost production while the unit is out of service for repairs. PPM includes actions which extend the life of.
An injury to the thoracic or lumbosacral cord would likely result in neural deficits at the trunk, genital area, and lower extremities. Specific syndromes, such as Brown-SÃ©quard syndrome and anterior cord syndrome, may affect a major part of the spinal cord. See Overview for more detail.
Vertebra fractures are usually due to conditions such as: osteoporosis (a condition which weakens the bones), a very hard fall, excessive pressure, or some kind of physical injury. When a bone in the spine collapses, it is called a vertebral compression fracture. These fractures happen most commonly in the thoracic spine (the middle portion of the spine), particularly in the lower vertebra of the thoracic spine. The purpose of this information is to help you understand: The anatomy of the spine relating to compression fractures