Performing the: A Step-by-Step Tutorial Decline Triceps Extension
Hold a barbell or EZ bar using an overhand grip (palms facing down) with your hands about shoulder-width apart.
Extend your arms fully, holding the bar directly above your chest with your elbows locked.
Slowly lower the bar by bending at the elbows while keeping your upper arms stationary, until the bar is just above your forehead.
Push the bar back to the starting position by extending your elbows while keeping the upper arms stationary, and repeat the movement for the desired amount of repetitions.