Brady Quinn’s workout was recently featured in Men’s Health magazine, and showed how he built his muscle mass and strength for football. This is just a sampling of the many online magazines that are available to supplement, or even replace the printed magazines you subscribe to. The obvious benefit of online magazines is that you can read many of the articles for free, but the downside is that, there are usually articles in the printed version that are not available online. There are, for example, magazines to help her lead a healthy life by maintaining a balanced diet. You can…