heart rate monitor
Good Advice May. 13, 2010
Your body burns fat when your heart’s working at 60 to 85 percent of its capacity—and intervals help, too. But show of hands: Who knows when they’re in the fat-burning zone? That’s what we...Read More>>
Your body burns fat when your heart’s working at 60 to 85 percent of its capacity—and intervals help, too. But show of hands: Who knows when they’re in the fat-burning zone? That’s what we...Read More>>
