How do you work out when your gym is at the top of a mountain or in the middle of a field in the pouring rain? That doesn’t stop Vikings star Clive Standen, who doesn’t get the luxury of a state-of-the-art gym when he’s on the set of his show. Standen talks about preparing to play a hardcore viking and what goes on on the set of the History Channel series in his exclusive photo shoot with Muscle & Fitness.