By Frank Dalleres London 2012 changed perceptions around disabled people in sport but brands can help increase participation, writes Paralympian Tanni Grey-Thompson. Ten years after the London Olympics and Paralympics, disabled people are still facing massive barriers to sports participation. While 2012 created a benchmark for future events, it didn’t result in an influx of disabled people taking up sport. Within the UK’s total population, more than one in five of us has a disability. More than four in five (77 per cent) would like to be more active, but only four in 10 say they have opportuni…