It can be brought on by rapid movement or by sensory stimulation. So an important part of both care and treatment is minimizing possible causes of these stimuli, including pain, pressure sores, urinary tract infection, ingrown toenails, restrictive clothing, constipation, and so on.
Taking a Screenshot on a Windows Computer without Print Screen Button on Keyboard requires you to use a dedicated software application. Yes there are multiple ways in which you can capture a Screenshot without pressing the Print Screen Button depending on your which Windows Operating System you are using.
It goes into the clipboard. This is why you should avoid pressing PrintScreen while copying something from one location to another, because the screenshot will replace with you had in the clipboard. Grrrrrrrrrrrr. And in some programs (eg MS Word), you can actually paste the screenshot.