The winter of 2010-2011 has seen several extreme storms pound the south and northeast U.S., accompanied by record setting snowfall. All that snow has to be shoveled away, often-times by homeowners who are just not in adequate shape for the physical exertion that shoveling entails.People often take on shoveling without exercising caution thereby bending, twisting, and lifting heavy weight. Improper shoveling and snowblowing techniques can result in back or shoulder pain, and other injuries th...