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.
Thoracic spine fractures are frequently caused by an acute traumatic event such as a fall from height or a high speed accident. Another very common cause is osteoporosis, in which a compression fracture can occur with little to no trauma because of the poor bone quality (please see section on compression fractures and osteoporosis).