Definition. 1  Thoracic strain or sprain refers to the acute or subacute onset of pain in the region of the thoracic spine due to soft tissue injury, including muscles, ligaments, tendons, and fascia, of an otherwise normal back.
If the floor joist is damaged and and you need to have it repaired by a professional, the costs can vary anywhere from $150 to $400 per joist. For the average room that is titled, the price can easily soar into the thousands. To find an exact quote, free quote search engines such as HomeAdvisor.com can help.
Joists are attached to a ledger board with joist hangers. Floor joists comprise the primary framing structure as it relates to your floor. Joists run from one beam to another and are usually spaced 16 inches apart, center-to-center. Plywood sheathing attaches to the joists, then hardwood flooring or tile.