UNIVERSITY OF PITTSBURGH IMAGE: FABRISIA AMBROSIO, PH.D., DIRECTOR OF REHABILITATION FOR UPMC INTERNATIONAL AND ASSOCIATE PROFESSOR OF PHYSICAL MEDICINE AND REHABILITATION AT THE UNIVERSITY OF PITTSBURGH CREDIT: UPMC PITTSBURGH, Dec. 6, 2021 — As we age, our muscles gradually become smaller, weaker, and less able to heal after injury. In a new study, UPMC and...