Stand up straight with your feet shoulder-width apart and hold a barbell with an underhand grip, hands close together.
2
Keep your elbows close to your torso and your upper arms stationary throughout the movement.
3
Exhale as you curl the weights while contracting your biceps. Continue to raise the bar until your biceps are fully contracted and the bar is at shoulder level.
4
Hold the contracted position for a brief pause as you squeeze your biceps.
5
Inhale as you slowly begin to bring the barbell back to the starting position.