GeMar Neloms, a professional in the non-profit world who also has been active for her entire life in the fitness area, teaches her popular spinning class at the Washington Sports Club in downtown Silver Spring, Maryland, on February 10, 2011. The fitness community has by and large embraced the effort, but a contingent of health experts have balked at equating health with weight, saying that recent research shows it is possible to be extremely fit and also "overweight" by societal norms. AFP PHOTO / Jewel Samad (Photo by JEWEL SAMAD / AFP via Getty Images)