If you're only doing cardio, you're missing out on a great weight-loss secret that could be the reason you're not seeing results: strength training. That's why we created this printable poster  to remind ourselves to challenge our muscles in order to drop the pounds. The more muscle you have, the more calories you'll burn, even when you're just sitting in your chair.
If you're worried about looking bigger, not smaller, once you grab those dumbbells, don't be. Lifting weights won't make you bulk up. While you may see an uptick on the scale when you first start building muscle, don't worry — toned muscles help define and sculpt your body, which means you'll actually look thinner. Get building with these strength-training exercises for your entire body .
Want to know more reasons why you're not seeing results? Check out these 25 reasons you're not losing weight .