How many sit-to-stands can you do inside 30 seconds? ⏱️🔥 This simple test is a powerful marker of your overall mobility, and research suggests it may even predict how long you’ll live. Here’s how to do it: Grab a timer, set it for 30 seconds, and count how many full sit to stands you can complete. Aim for speed, but with each repetition go fully up and fully down. Drop your score in the comments, did you pass the 30 second sit-to-stand test? (Exercise not suitable for all — provided for informa