1. Centre for Sports Engineering Research; Sheffield Hallam University; Howard Street Sheffield S1 1WB UK
2. Department of Engineering and Mathematics; City Campus, Sheffield Hallam University; Howard Street Sheffield S1 1WB UK
3. SABEL Labs, School of Engineering; Nathan Campus, Griffith University; 170 Kessels Road Nathan QLD 4111 Australia
4. Materials and Engineering Research Institute; Sheffield Hallam University; Howard Street Sheffield S1 1WB UK