Embedded motivational interviewing combined with a smartphone application to increase physical activity in people with sub-acute low back pain: a cluster randomised controlled trial Jason Holden; Paul O'Halloran; Megan Davidson; Jeff Breckon; Wenny Rahayu; Melissa Monfries; Nicholas F. Taylor;

Breaking barriers to rehabilitation: the role of behavior change theories in overcoming the challenge of exercise-related behavior change Manuela Karloh; Thiago Sousa Matias; Joice Mara de Oliveira; Fabiano Francisco de Lima; David Halen Araújo Pinheiro; Graziele Besen Barbosa; Karina Couto Furlanetto; Celso R.F. Carvalho;

Prevalence of non-communicable diseases, multimorbidity, and their impact on activity limitations among adults with chronic back pain: a national population-based study in a middle-income country Érica de Matos Reis Ferreira; Ítalo Ribeiro Lemes; Edmar Geraldo Ribeiro; Deborah Carvalho Malta; Christopher G. Maher; James H. McAuley; Matthew D. Jones; Luiz Hespanhol; Rafael Zambelli Pinto;