Institution: | 1. Sport and Exercise , University of Teesside , Middlesbroughj.harley@tees.ac.uk;3. Middlesbrough Football Club , Middlesbrough;4. Sport and Exercise , University of Teesside , Middlesbrough;5. Sport, Health and Exercise Science , The University of Hull , Hull;6. Scunthorpe United Football Club , Scunthorpe, UK |