Does it sometimes seem like the fitness industry is geared towards peppy twenty-somethings with boundless energy and enviable waistlines? Well, we're heading into a time when today's baby boomers will be retiring and starting to focus on their health, and I imagine the face of fitness will be changing too. In fact, I think it already is -- there are dozens of fitness programs, websites and DVD devoted solely to working out after 50. Like this one. And these. And these.

If you're a baby boomer who's thinking of starting or re-starting a workout routine, keep these tips in mind:

• Stretch, to prevent injury and soreness.
  
• Workout a bit every day -- don't try to compress everything into the weekend
• Listen to your body -- stop when it's time to
• Take lessons to ensure you do it right.

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