As the large population of Baby Boomers grows older, and as all ages of Americans become more interested in exercise and activity, a new challenge is being created for fitness companies to create equipment that will not only work for the previously common "average" customer, but for newly growing "aging" group as well.

Recently companies from all over convened in Las Vegas to show off what they've done to make fitness machines not only challenging and effective, but also sensitive to older users and adjustable for things like achy joints. There are all kinds of new ideas out there, click here to see a few examples of what the Vegas trade show had to offer.