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.
When the header joist span does not exceed 4. feet (1219 mm), the header joist may be a single member the same size as the floor joist. Single trimmer. joists may be used to carry a single header joist that is located within 3 feet (914 mm) of the trimmer joist bearing.