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..
If your muscles are sore, take it easy for a few days and allow them to heal. Ice the sore area for 15 to 20 minutes at a time three times a day. You can use a bag of frozen vegetables, ice cubes placed in a plastic Ziplock bag, or an ice pack from the supermarket.