Adolescents ( n = @ ) with decreased % BF ( mean change -LSB- range -RSB- , -@ % -LSB- -@ to -@ % -RSB- ) after the intervention had significant increases in the mean large arterial elasticity index ( mean change -LSB- @ % CI -RSB- , @ -LSB- @ to @ -RSB- mL/mm Hg * @ ; P = @ ) and insulin sensitivity index ( @ -LSB- @ to @ -RSB- ; P = @ ) and a decrease in systemic vascular resistance ( -@ -LSB- -@ to -@ -RSB- dyne * s * cm ( -@ ) ; P = @ ) .