News Ask a Brazilian about football or volleyball, and they will tell you everything you need to know, and much more in the way of opinions, cherished memories and the latest gossip But ask them about rugby – which returns to the Olympic programme after 92 years at this year’s Games in Rio – and you may well receive a blank look The sport is growing quickly in South Ameria’s biggest country, as the Rio 2016 test event earlier this month and December’s beach rugby event in Ipanema showed But the general public still has a fair amount to learn Help is at hand: Rio 2016 took the chance of the coming together of Brazil's rugby crowd at the test event in Deodoro Olympic Park to create a video guide to how to be a rugby fan With top tips – such as appreciate the key role that respect plays in the sport and get yourself some fancy dress – the ‘fan’s manual’ provides an informative but light-hearted guide for the growing number of rugby lovers in the region Check out the video below (click on the cog symbol to select English subtitles):Related linksBecome a rugby sevens expert with our interactive infographicRugby meets capoeira as New Zealand Olympic team begins partnership with Rio favelaRio 2016 unveils Olympic rugby venueAgustín Pichot: rugby will boom in South America thanks to Rio 2016 GamesRugby superstar Sonny Bill Williams takes first steps on road to RioFeared Fijian rugby players show they are really gentle giants during mid-flight emergencyAll Blacks do the haka on Ipanema beachUSA captain Jillion Potter fights back from cancer and broken neck on route to Rio 2016New Zealand will stop when All Blacks go for Olympic gold in Rio, says Scott Curry