Background: Massage therapy (MT) is widely used and expanding rapidly, but systematic research on its mechanisms and effects, in contrast with many other therapeutic fields, has a short history. Purpose: To take stock of the current state of MT research, and explore approaches, directions, and strategies with the potential to make the next two decades of MT research optimally productive. Setting: The 2009 North American Research Conference on Complementary and Integrative Medicine held in Minneapolis, MN. Method: Using a modified Delphi method, study authors led an interactive workshop that aimed to identify established MT research findings, needed MT research, weaknesses and limitations in currently available MT research, and directions ...