What weight are you carrying on your shoulders—literally? Think about what's in your handbag. Cell phone? Laptop? A bulging makeup kit? Netbook? Work files? And that's just one bag. Most of us carry a laptop or sometimes a gym bag, too. Ideally you should never be carrying more than 10% of you body weight. So if you weigh 120 pounds, you should be carrying 12 pounds or … [Read more...] about Is your shoulder bag killing your back?