Well... aint this a depressing thread!!!
I am 59 and I can still get off the floor, still do yoga ( some, no more handstands or full bridges) , can still cut my toenails...
But I can't run anymore since my accident , so I used to run 5 miles in under 50 minutes used to do an hour of high impact step aerobics with 2 steps under twice a week at the gym, used to be able to ski down a mountain at 50mph on a black run , and used to be able to drive 15 hours a day on trips
Can't do any of those things anymore
Been going swimming lately whenever we have a chance, plus still hike up the mountain with the dogs