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Old 11-17-2005, 09:56 AM
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Frontline Frontline is offline
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Join Date: Feb 2005
Location: Midwest
Posts: 1,404

Here is a good description of sumo:
The major difference that occurs in the sumo deadlift is the placement of the feet. They are placed much wider, sometimes even twice shoulder width, although this is an extreme. The toes are turned outward, sometimes to the point where the angle of the feet approaches 160 degrees. There are several biomechanical advantages to this stance. The distance the bar must travel is greatly lessened as the hip angle is on average 12 degrees greater than the hip angles of conventional deadlifters, while the knee angle is approximately 13 degrees greater. (7, 12) The trunk angle is significantly closer to vertical, which, from a pure safety standpoint, the sumo stance decreases both L4/L5 moments as well as shear forces. (4) Furthermore, the sumo stance allows the lifter to keep the bar closer to the body, which shortens the movement arm to the lumbar spine. (12) This stance can reduce the total distance the bar travels by as much as 25 – 40%. (7)
I am going to try it for the hell of it, because right now regular deadlifts are absolutely killing my lower back. I know my form is good according to the people at the gym, so I'm going to see if sumo puts less stress on it for me.
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