The prevalence of both obesity and back pain in developing nations has reached alarming levels. According to recent statistics, more than one-third of U.S. adults over 72 million people were obese in 2005-2006. Of these, 33.3 percent were men and 35.3 percent were women. Especially alarming is that obesity has not decreased among teenagers the rates remain essentially unchanged in 2005-2006 from the 2003-2004 estimates, at 17 percent.