Well, a log is the easiest way to remind yourself what you weight you lifted a f...

		brown9-2 on Sept 28, 2012 \| parent \| context \| favorite \| on: What happens to our brains when we exercise and ho... Well, a log is the easiest way to remind yourself what you weight you lifted a few days ago, if you are having trouble remembering. But no, it's not required.