Received: 25 August 2021
Accepted: 14 March 2022
First Online: 22 April 2022
: All research activities were conducted in accordance with the Declaration of Helsinki. The trial was prospectively registered on the Australian New Zealand Clinical Trials Registry (ACTRN12619001177145) and approved by the Bond University Human Research Ethics Committee (BUHREC; Protocol number NM03279). Written informed consent was obtained by the lead investigator from all participants.
: Consent for publication of images was obtained from the participants.
: NM is a Physiotherapist and hardstyle kettlebell instructor, with an online presence as The Kettlebell Physio. WH, BS, JK and ER declare that they have no conflict of interest.