By the IMC exercise guru - October 2006
This is supposed to be very good for climbers and sailors. It should suit those who have an interest in gardening too.
Begin by standing on a comfortable surface where you have plenty of room at each side.
With a 5-lb potato sack in each hand, extend your arms straight out from your sides and hold them there as long as you can. Try to reach a full minute, then relax.
Each day, you'll find that you can hold this position for just a bit longer.
After a couple of weeks, move up to 10-lb potato sacks.
Then move up to 50-lb potato sacks.
Eventually try to get to where you can lift a 100-lb potato sack in each hand and hold your arms straight for more than a full minute.
(I'm at this level now.)
After you feel confident at that level, put one potato in each sack