How to Do a Triceps Overhead Extension
Don't speed through a set of triceps overhead extensions in hopes of toning your upper arms quickly. You'll get maximum results from this triceps exercise with a slow, controlled motion.
Step 1
Assume start position as shown by sitting on stability ball and holding one dumbbell overhead with both hands.
Step 2
Bend at elbows to bring weight behind head.
Step 3
Press dumbbell overhead by straightening arms out.