a young person sits on a couch holding their shoulder with a pained expression on their face. They slowly rotate their arm while wincing from the persistent discomfort. Earlier they had been doing vigorous exercise, and now their muscles are responding with deep, throbbing pain. The continuous soreness makes every small movement difficult and uncomfortable. A concerned friend sits nearby offering a heating pad and showing sympathy. The room shows exercise equipment scattered around indicating the recent physical activity. a dull, continuous pain affecting normal movement