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.
Shopping for repairing floor joists: 1  Skilled do-it-yourselfers can sister floor joists with $200-$500 worth of materials. 2  ThisOldHouse.com provides tips for hiring a contractor. 3  Get several estimates, making clear what is (and isn't) included in each quote. But if there's limited access to the joists, it may be necessary to work from above, removing the flooring and subflooring to repair or replace any damaged floor joists. 2  Costs will depend on the extent of the damage and the type of replacement subflooring and flooring chosen.