Should I use a rope or single handle attachment for this exercise?

A single handle attachment allows for a greater range of motion and makes it easier to work each arm independently. Rope attachments work better for two-handed overhead extensions but can be awkward for single arm work.

How far should I step away from the cable machine?

Step far enough forward that the cable maintains tension even at the bottom of the movement when your elbow is fully bent. If the weight stack touches down at any point during the rep, you need to step further away.

Is this exercise better than dumbbell overhead triceps extensions?

Cable versions provide constant tension throughout the movement, which can enhance muscle engagement compared to dumbbells where tension varies. Both are effective, and cables may feel more comfortable on the elbow joint for some lifters.

Single Arm Overhead Triceps Extension (Cable)

The single arm overhead triceps extension using a cable is an isolation exercise that targets the triceps through a full range of motion with constant tension. It suits lifters looking to build triceps size and correct strength imbalances between arms.

Muscle group: Triceps
Primary muscles: triceps
Equipment: Cable

How to do the Single Arm Overhead Triceps Extension (Cable)

Set a cable machine handle to the highest position and grasp it with one hand.
Face away from the machine and step forward to create tension, positioning the handle behind your head with your elbow bent and pointing upward.
Plant your feet in a staggered stance for stability and engage your core.
Extend your elbow to press the handle overhead until your arm is straight, keeping your upper arm stationary.
Lower the handle back behind your head with control until you feel a stretch in your triceps.
Complete all reps on one side before switching arms.

Form tips

Keep your elbow pointing forward and avoid letting it flare out to the side during the movement.
Maintain tension on the cable throughout the entire range of motion by stepping far enough away from the machine.
Brace your core and avoid arching your lower back as you press the weight overhead.

Common mistakes

Moving the upper arm or shoulder during the extension reduces triceps isolation and shifts work to other muscles.
Using too much weight forces you to lean forward or use momentum, compromising form and reducing effectiveness.
Rushing the eccentric phase wastes the constant tension advantage that cables provide for muscle growth.

Sets and reps

For hypertrophy, perform 3 to 4 sets of 10 to 15 reps per arm with moderate weight and controlled tempo. For strength, use 3 to 4 sets of 6 to 8 reps per arm with heavier resistance while maintaining strict form.

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Frequently asked questions

Should I use a rope or single handle attachment for this exercise?: A single handle attachment allows for a greater range of motion and makes it easier to work each arm independently. Rope attachments work better for two-handed overhead extensions but can be awkward for single arm work.
How far should I step away from the cable machine?: Step far enough forward that the cable maintains tension even at the bottom of the movement when your elbow is fully bent. If the weight stack touches down at any point during the rep, you need to step further away.
Is this exercise better than dumbbell overhead triceps extensions?: Cable versions provide constant tension throughout the movement, which can enhance muscle engagement compared to dumbbells where tension varies. Both are effective, and cables may feel more comfortable on the elbow joint for some lifters.

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