Twists and turns that make a difference [news]

It has the latest fitness equipment, from a Cybex training circuit to stationary Expresso Cycles with video screens that let you bike virtually through a bucolic countryside. It holds classes in yoga, Pilates, boot camp and the hottest exercise trend, Zumba. And it offers personal training, massage therapy and a variety of health screenings. Yet it's not a glitzy mirror-wall health club aimed at fitness-minded singles. In fact, its business has nothing to do with fitness. It's Cisco, worldwide provider of networking systems for business. And Cisco, with its state-of-the-art workout center, is hardly alone among its contemporaries in Research Triangle Park, where buff bodies seem about as important as strong bottom lines.