Stand straight with your feet shoulder width apart, holding the weights by your sides.

With a slight bend in your arms, slowly raise the weights up to shoulder height, then in a controlled manner slowly lower back down to just before the starting position to keep constant tension. On the way up and down, your elbows should stay in line with the hips. Tense your core to keep a straight torso throughout. Repeat for the desired amount of repetitions.

Avoid excessive bending from the hips to give yourself extra momentum and always perform the movement in a controlled manner going up and down.