Jason Fox, or Foxy to his friends, is a former Royal Marine Commando and Special Forces sergeant, but you probably know him as one of the DS from Channel 4’s SAS: Who Dares Wins. Here, he takes us through the gruelling AMRAP workout he uses to prepare for the show.

Find out how the battlefield inspires Foxy’s workouts in the latest episode of How I Build My Body. Catch Celebrity SAS: Who Dares Wins on All 4 now.

Men's Health UK

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