The most common causes of low back pain are: 1  Injury or overuse. 2  Pressure on nerve roots from conditions such as a herniated disc or spinal stenosis. 3  OsteoarthritisOsteoarthritis, which is usually caused by getting older. 4  When osteoarthritis affects the small joints in the spine, it can lead to back pain by making the joints themselves stiff and ...
Once you set the presentation up to loop continuously, you then need to set up your slide timings to ensure that each slide advances on its own. Step 1. Click the Slide Show tab at the top of the PowerPoint 2010 screen.Click the Set Up Slide Show button in the Set Up area of the ribbon.nce you set the presentation up to loop continuously, you then need to set up your slide timings to ensure that each slide advances on its own. Step 1. Click the Slide Show tab at the top of the PowerPoint 2010 screen.
To play a background music loop or music file across a number of slides in PowerPoint 97 and 2000: Choose Movies and Sounds from the Insert main menu option. Depending on your preference, select Sound From Gallery, Sound From File, Play CD Audio Track, or Record Sound.