Twenty-two normal-weight men and women ( age : 21.20.6 years ; body mass index : 22.6 0.6 kg/m ( 2 ) ) participated in a randomized , cross-over design study in which they ingested an additional 75 g of fructose for 14 days while either maintaining low PA ( FR + inactive ) ( < 4500 steps/day ) or high PA ( FR + active ) ( > 12,000 steps/day ) .