Olivier Giroud could be one of the stars of the World Cup - but how will the France striker celebrate if he finds the net in Brazil?

Wojciech Szczesny, Kieran Gibbs and Giroud himself feature in this special investigation... into the knee-sliding epidemic at Arsenal.

Copyright 2014 The Arsenal Football Club plc. Permission to use quotations from this article is granted subject to appropriate credit being given to www.arsenal.com as the source 12 Jun 2014