Technology changing sport part II: Challenging on-field decisions based on video technology

In this three-part series, Chris Lavey will consider new technologies that are changing sport and how they impact on the field of play. How do sports regulate to meet the challenges presented by the development and use of new technologies, and how are these challenges dealt with in practice? The first article in the series considered the issue of mechanical doping [1]. Second under the spotlight is the use of video technology to aid on-field decision-making.