[Bill Stoller] helps wife [Deedra Stoller] stretch before her turn on a stair-climbing machine at the Winter Park YMCA. TOM BURTON/THE ORLANDO SENTINEL A decade of walking off lunch hours: [Teresa Gianette] and [Pat Moni] hit the pavement for a spin around Lake Eola Park in downtown Orlando. TOM BURTON/THE ORLANDO SENTINEL BOX: TIPS FOR LUNCH WORKOUTS - Walk for exercise if you can't shower and change from workout clothes into work clothes.You'll only have to switch your shoes. Check out gyms close to work to avoid wasting time driving. Ask about the crowds at the gym or pool. Standing in line to use the treadmill may eat up your lunch hour. Walk to lunch if you are eating out. Choose a restaurant that's a 10-minute walk from the office. That short hop will mean a 20-minute walk in your day.