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..
Treating Sore Muscles at Home. 1  1. Rest and take it easy. Most muscle soreness happens from either lifting too much weight, doing some activity too often, moving awkwardly or experiencing physical trauma (motor vehicle accidents, sports injuries). 2  2. Apply cold therapy for acute muscle soreness.