about exercise during the coronavirus pandemic

Small sets of people, forced out of the local boutique gyms and studios, take to the paved space beneath the overpass, at the east end of the neighborhood, to resume exercise classes. There, the people strain, lift hand-weights, pull on bands of rubber, keep fit under watch of the trainer. The riddle asks what does the trainer do; the trainer is the troll, and the price of a wrong answer is another 10. The rest of us continue on the path to where a routine is nothing we can't handle.