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.
The biceps curl is an exercise for the elbow flexors, which comprise the biceps brachii, brachialis and brachioradialis. You can emphasize each of these muscles by using a variety of grips. It is best to do biceps curls using dumbbells to ensure the elbow flexors of each arm are being worked to the same extent.oth heads insert at the tuberosity of the radius, or inner forearm bone, and at the lacertus fibrosus of the fascia of the forearm. The biceps brachii acts to flex the elbow and supinate the forearm. You can emphasize the biceps brachii by utilizing a supinated, or underhand, grip while doing the biceps curl.