Study	Reason for exclusion
Adachi 2001	This study did not include participants with DMD.
Bianchi 2011	This study was not a RCT.
Biggar 2004	This study was not a RCT. The author confirmed this.
Cohran 2008	This study was not a RCT.
Cohran 2013	This study did not include participants with DMD.
Dubowitz 1984	This controlled study did not assess the effect of exercise on bone health.
Hawker 2005	This study was a before and after trial, not a RCT.
Houston 2014	This was a retrospective cohort study, not a RCT.
Mayo 2012	This was a prospective observational study, not a RCT.
Sbrocchi 2012	This study was not a RCT.
Scott 1981	This controlled study did not assess the effect of exercise on bone health.
Srinivasan 2016	This was a retrospective cohort study, not a RCT.
Söderpalm 2013	This study was not a RCT.
Yilmaz 2004	This study did not assess the effect of the intervention on bone health.

DMD: Duchenne muscular dystrophy.
 RCT: randomised controlled trial.