Performing the: A Step-by-Step Tutorial Cable Alternate Triceps Extension
Turn your body 90 degrees to one side so that one arm is extended out to the side and the other is across your body.
Keep your elbow stationary and extend your arm that is across your body until it is fully extended, feeling a contraction in your tricep.
Slowly return your hand to the original position, resisting the pull of the cable.
Repeat this motion with the other arm, turning your body to the opposite side, to complete one repetition of the exercise. Remember to keep your movements controlled to avoid injury.