substitute 100 pullups for 100 squats, 100 squats for 50 burpees, 25 situps for 25 pullups for 31:47.house of pain - how's your arse today????
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substitute 100 pullups for 100 squats, 100 squats for 50 burpees, 25 situps for 25 pullups for 31:47.
house of pain - how's your arse today????
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