The hidden driving force? Everything you need to know about Hamilton's physio

Everyone who has watched Formula 1 this season will recognise Angela Cullen. Maybe not by name, but you will recognise her when you see her. She may well be one of the many driving forces behind Lewis Hamilton. She's titled as the six-time world champions physio, but she also plays many different roles.

This video explains everything that Cullen does during race weekends and just how important she is for Hamilton and the Mercedes team. As Kym Illman explains, the two have a very special bond together as they celebrate together and also support each other when things don't go well.