Lying Triceps Extension with Dumbbells· Lay on a flat bench with your head at one end and your feet planted firmly on the floor.
· Grasp a dumbbell with both hands with palms facing up.
· Raise dumbbell over your body. Your arms will be pointed towards the ceiling.
· While keeping your upper arms and elbows still, lower the dumbbell in an arc behind your head.
· Slowly raise the dumbbell back to the starting position.
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