“What Promotes and What Limits Physical Activity in Assisted Living Facilities? A Study of the Physical Environment’s Design and Significance” is written by Annsofie Mahrs Träff, Department of Social and Welfare Studies, Linköping University, Elisabet Cedersund, Department of Social and Welfare Studies, Linköping University, and Marianne Abramsson, Department of Human Geography, Stockholm University. The article is published in Journal of Aging and Environment.