The Tangibility of Personalized 3D-Printed Feedback May Enhance Youths’ Physical Activity Awareness, Goal Setting, and Motivation: Intervention Study

Sam Graeme Morgan Crossley   ^{1 *} , BSc, PhD ;   Melitta Anne McNarry   ^{1 *} , BSc, PhD ;   Parisa Eslambolchilar   ^{2 *} , BEng, MEng, PhD ;   Zoe Knowles   ^{3 *} , PhD, HCPC ;   Kelly Alexandra Mackintosh   ^{1 *} , BSc, MSc, PhD

¹ School of Sport and Exercise Sciences, Applied Sports Technology Exercise and Medicine Research Centre, Swansea University, Swansea, United Kingdom

² School of Computer Science and Informatics, Human Factors Technology Research Priority Area, Cardiff University, Cardiff, United Kingdom

³ School of Sport and Exercise Sciences, Physical Activity Exchange, Liverpool John Moores University, Liverpool, United Kingdom

*all authors contributed equally