Both groups had significant improvements in body composition and metabolic parameters but G@ had enhanced results for weight loss ( G@ : -@ @ kg ; G@ : -@ @ kg ; p = @ ) , waist circumference reduction ( G@ : -@ @ cm ; G@ : -@ @ cm ; p = @ ) , and fat mass loss ( G@ : -@ @ kg , G@ : -@ @ kg , p = @ ; mean SD ) .