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.
Definition of arm for Students. 1  1 : a human upper limb especially between the shoulder and wrist. 2  2 : something like an arm in shape or position an arm of the sea the arm of a chair. 3  3 : sleeve 4  1. 4 : 1power 1 the long arm of the law.  5 : a foreleg of a four-footed animal.