Article History
Received: 6 August 2018
Accepted: 2 January 2019
First Online: 21 January 2019
Compliance with ethical standards
:
: LW is the Secretary of a not-for-profit organisation, Darwin Powersports Incorporated. Darwin Powersports Incorporated promotes strength sports and conducts local powerlifting and strongman competitions. DC and DG declare that they have no conflicts of interest.