Tricep Extension 1 Arm - Dumbbells Swiss Ball
Sit down on the Swiss Ball with your dumbbell in hand. Draw one arm up in front of you until your arm is above your head. Keeping your elbow completely still lower the weight behind your head, you are ready to begin.
Keeping your upper arm completely still raise the weight up so that your arm is straight and vertical. Now lower it back down behind your head until the elbow joint is at 90 degrees.
Make sure you keep a nice upright posture for this exercise
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