Looking to tone up those arms? The Hammer Curl is a great way to work your biceps as well as your forearms.
To learn how to do the alternating hammer curl, read more
Stand (or sit if you are worried about keeping your back straight) with your arms down at your sides holding 8-12 pound dumbbells, palms facing in. Keeping your palms facing in, bend your elbow to raise one arm to shoulder level then lower it back to waist level (think of using a hammer). Repeat with the other side to complete one rep. Do 3 sets of 15.
Fit's Tip: Don't sway your arms to raise the dumbbell, always keep a controlled motion. If you find you need to sway or use your back a lot to do the hammer curl, switch to a lower weight--the name of the game is quality, not quantity. If it feels way too easy, increase to a higher weight.