My favorite author, anonymous, tells the story about his grandfather who worked in a blacksmith shop when he was a boy. He would relate stories of how he had toughened himself up so he could stand the rigors of black smithing.
One story was how he had developed his arm and shoulder muscles. He said he would stand outside behind the house and, with a 5-pound potato sack in each hand, extend his arms straight out to his sides and hold them there as long as he could.
After a while he tried 10-pound potato sacks, then 50-pound potato sacks and finally he got to where he could lift a 100-pound potato sack in each hand and hold his arms straight out for more than a full minute! Continue reading