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.
Select the first slide from the left pane. Click Insert at the top of the PowerPoint window. Click Text Box to start inserting a text box. Click once on your slide to insert the text box. Click and drag the box to place it in the center of the slide. Type the number from which you want to start the countdown, such as 3. Select the text box and press Ctrl-C to copy it to the clipboard.