Definition of infirmary for English Language Learners. : a place where sick people stay and are cared for in a school, prison, summer camp, etc.
Torgan says delayed onset muscle soreness also has a repeated bouts effect. If someone does an activity, they will be inoculated for a few weeks to a few months -- the next time they do the activity, there will be less muscle tissue damage, less soreness, and a faster strength recovery..
Rest the strained muscle and apply ice for the first few days after the injury. Anti-inflammatory medicines or acetaminophen (Tylenol) also help reduce pain and swelling. As the pain decreases, you can use heat on the muscle. Stretching and light exercises to bring blood to the injured area can also be useful.