The single-arm tricep extension isolates the tricep muscle using only one dumbbell. Master the single-arm tricep extension, keeping the chest up and the back straight, with tips from a fitness facility manager in this free video on exercise.
The single-arm tricep extension isolates the tricep muscle using only one dumbbell. Master the single-arm tricep extension, keeping the chest up and the back straight, with tips from a fitness facility manager in this free video on exercise.