How is getting a stronger, sleeker upper body like math? It's something otherwise smart women think they just can't accomplish. Or they use the excuse of getting too "bulked up." The moves here definitely won't turn you into the Incredible Hulk, but they will get your arms longer, leaner, and ready to bare when the weather warms up. Best of all, most can be done at home using your own body weight—no need to invest in pricey gadgets or gear! Trainer tip: To boost your calorie burn and see results faster, march or jump in place for 2 minutes after completing each move.