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.
Leg Curl. Prime Movers/Muscles worked: Hamstrings (the muscles on the back of the upper leg). Machine: Leg curl (hamstring curl) Leg curl machines can be supine (lying on your stomach to do the exercise) or upright (seated with back supported) depending on the equipment available.