Footnotes

• Contributors Both authors were responsible for the concept, writing and critical revision of the manuscript.

• Funding At the time of initially writing this manuscript, JW was a Vanier Scholar funded by the Canadian Institutes of Health Research.

• Competing interests TJG works as a consultant to several high-performance organisations, including sporting teams, industry, military and higher education institutions. He serves in a voluntary capacity as Senior Associate Editor of BJSM.

• Patient consent Not required.

• Ethics approval No ethics approval was sought for this editorial.

• Provenance and peer review Not commissioned; externally peer reviewed.