1
Stand upright with feet shoulder-width apart, arms at sides holding a dumbbell in each hand with palms facing forward, neutral spine and engaged core
2
Ensure dumbbells are held with a firm grip, elbows remain fixed at sides throughout the movement, shoulders packed and relaxed
3
Lower the dumbbells in a controlled manner by extending the elbows, allowing the arms to straighten while maintaining slight elbow bend at full extension, shoulders remain stationary
4
Flex the elbows and curl the dumbbells upward in a controlled arc, squeezing the biceps at the top of the movement, then return to starting position by reversing the motion