I mostly trigger her these days by going on my walks (can't run, shin splints and knee issues) and accidentally walk a lot farther than I planned to. Make sure to announce it. Today I went on what I had planned to be 2 miles, easy peasy. Ended up doing a little over 3 almost 3.5. I mused out loud about how I made a wrong turn, blah, blah, blah and it ended up being a longer distance.  For her a walk to the mail box and back is a good day so. Even before hip problems emerged. So...