1. Stand with feet shoulder-width apart, holding a barbell with an underhand grip. 2. Curl the barbell towards your shoulders with one arm at a time. 3. Lower the barbell back to the starting position.
1. Stand with feet shoulder-width apart, holding a barbell with an underhand grip. 2. Curl the barbell towards your shoulders with one arm at a time. 3. Lower the barbell back to the starting position.