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by keepamovin 723 days ago
I feel like this is an oversimplification. Exercise has compounding effects. That 1 hour of effort doesn't just burn 800, even if that's all that is used in 1 hour. The increase in metabolism ups your burn for the rest of the hours in the day (some at least, trailing off presumably). And any increase in BMR or muscle mass will keep that per hour calorie cost even higher.