Bend forward in good body alignment (abs tight, chest up, back straight) with feet in comfortable position. Holding handle (palm in), position upper arm parallel to the floor. keep opposite arm stationary. In a controlled motion, keeping upper arm parallel to the floor, extend weight back until arm is approximately straight. Contract triceps fully, without compromising form. While maintaining the controlled motion, return weight to starting position. Do not allow muscles to relax before next repetition.
Here are a few suggested alternative exercises:Ball Band French CurlBall Band Triceps KickBackBand KickBacksBand Overhead ExtensionBand Tricep ExtensionClose Grip Bench Press - BarbellClose Grip Dumbbell PressDecline Dumbbell Close GripDips - MachineDumbbell Lying ExtensionTricep Extension - Hammer Strength