Effects of adding scapular stabilization exercises to a periscapular strengthening exercise program in patients with subacromial pain syndrome: a randomized controlled trial - Hotta, Gisele Harumi; Couto, Amanda Gomes de Assis; Cools, Ann M.; McQuade, Kevin James; Oliveira, Anamaria Siriani de (Musculoskeletal Science and Practice, 2020)