Pulaski County, AR is in the central part of Arkansas in the west south central United States: Closest City to the Center of Pulaski County, AR: Cammack Village, Arkansas: Cities in Pulaski County, AR:
Positioning the Body for Arm Curls. Mike Harrington / Getty Images. The arm curl or biceps curl is a highly recognizable weight training exercise that utilizes dumbbells or barbells, or even kettlebells, to work the muscles of the upper arm, the biceps, and to a lesser extent, the lower brachialis and brachioradialis.
A Boston Women's Health Book Collective, Administration, answered. Biceps curl strengthens and tones muscles on the front of your upper arm, making it easier to lift groceries and other things. 1  Stand in a good posture, your feet shoulder-width apart and arms by your sides, and hold a dumbbell in each hand.