With muscles bulging and holding an intense facial expression, the star was put through a grueling workout pounding the sledgehammer on to a tyre.
But what does this workout actually do except make our muscles pumped?
According to experts, the Sledgehammer workout helps you lose love handle fat and builds you a rock hard midsection.
Plus, you'll gain speed, agility, power, core strength and stability from doing this Thor-like workout.
Erm, so where do we sign up?
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