Why do men crave these six bumps on their stomach? Why are they willing to risk their lives for this look? We take a journey to ancient Greece to discover the origins of the chiselled abdominals, learn from online stars on how hard it is to achieve one, hear from a man who bought one from a surgeon and how Instagram and the recession are playing a part in the ‘Six Pack’ story.

(Photo: Close up of a man's six pack. Credit: LDN Muscle/BBC)