1
Stand upright with feet shoulder-width apart, arms at sides holding a barbell with an underhand grip (palms facing forward), shoulders back and chest up
2
Grip the barbell with hands slightly wider than shoulder-width apart, palms facing forward, elbows tucked close to the torso
3
Slowly lower the barbell by extending the elbows while maintaining control, keeping elbows stationary and close to the body until arms are fully extended
4
Curl the barbell upward by flexing the elbows, driving through the biceps, raising the weight to shoulder height while maintaining elbow position, then return to starting position