You don't need Richard Simmons to work out via video. On-demand cable channel Exercise TV allows you to get fit with only a laptop and some extra floor space. Every month, the channel's site uploads more than 100 free workout videos. You can pay to download the clips or you can stream them online cost-free. The videos range from yoga to dance to strength training and can be as short as three minutes. Combine that with the fact that they're free and you have no excuse to not work out.
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