(Raymond Grumney/The Minnesota Star Tribune)
Concussions
Most often caused by blows to the head, these traumatic brain injuries usually result in temporary disorientation or short-term memory loss, but more serious concussions can do permanent damage.
March 7, 2011 at 4:29PM
Here's how to pick the right shovel, from the classic to the crack-jumper, back-saver or the plow.