Brawn again: why Hollywood's muscle heroes are bigger than ever

From Mark Wahlberg to The Rock, America's cinema strongmen have increasingly big biceps - is it something to do with waning power? If global politics had left you in any doubt, the commotion caused by Mark Wahlberg last week confirmed that we are truly in the age of the strongman. The publication of the actor's daily routine - which includes two gym sessions, six meals and one hour cultivating his torso in a cryogenic recovery chamber - confirmed what many of us had suspected for some time: a ma...