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.
In general the joist size is usually 2 by 10; however this size could vary depending upon the size of the subfloor and the load that it is going to support. The joists are connected by rim joist hangers, a nifty little piece of hardware that makes securing the joists so much faster and more secure.