Lifting more than 22 stone sounds hard enough - but not for bodybuilder Bradley Martyn.
You would probably have to be slightly mad to want to lift more than most people's bodyweight for fun.
But that isn't enough for bodybuilder Bradley Martyn, who wanted a much harder challenge.
So rather than squat 315lbs - more than 22 stone - on solid ground, Martyn did it while standing on a SEGWAY.
Iron man: Bradley Martyn squats the enormous weight while standing on a segway
Showing incredible strength and balance, Martyn lifts the huge dumbell with ease, before completing several repetitions.
Before the challenge, even his friends were sceptical.
Tough enough: He made it look easy
When Martyn explains what he plans to do, one pal simply says into the camera: "Rest in peace, Bradley."
But the same man is soon eating his words, as Martyn somehow managed to avoid serious injury by pulling off a ridiculous stunt.
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