Upper Arms Exercise · Cable

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Cable One Arm Tricep Pushdown

Pushing down with one arm on a cable isolates each triceps individually, making it straightforward to notice if one arm is meaningfully weaker than the other. Because only one side is loaded, the torso has to stay square rather than rotating to assist, unlike a two-arm pushdown where leaning in is an easy habit to fall into. It's a common finisher after heavier compound pressing work.

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Category

Upper Arms

Equipment

Cable

Target

Triceps

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Exercise reference published by PlanWorkouts; see our editorial standards.

How to Do the Cable One Arm Tricep Pushdown

1. Stand facing a cable machine fitted with a straight bar attachment at chest height.
2. Grip the bar overhand and step back to create tension in the cable.
3. Set your feet shoulder-width apart with a slight bend in your knees.
4. Keep your back straight and your core braced throughout the exercise.
5. Begin with your arm fully extended and perpendicular to the floor.
6. Without moving your upper arm, exhale and push the bar down until your arm is fully extended.
7. Pause briefly, then inhale and slowly return to the starting position.
8. Repeat for the desired number of repetitions, then switch arms.

Technique & Form Tips

Focus on controlled elbow extension while keeping your upper arms fixed in the position required by your specific variation, such as a pushdown or overhead extension. Manage your range of motion based on your own comfort during both flexion and extension.

Common Mistakes to Avoid

• Elbow migration: Keep the upper arm stationary to prevent the movement from turning into a different exercise.
• Inconsistent elbow tracking: Follow the intended path for your elbows to ensure they do not excessively flare outward.
• Forcing the end position: Straighten and bend the elbow through a controlled, comfortable range without snapping into the end position.

How to Breathe During This Exercise

Breathe continuously, matching your inhale and exhale to the pace of your repetitions.

Comfort and Control

Choose a load and range you can control. Stop if the movement causes pain. If discomfort persists, stop and ask a qualified professional about an appropriate exercise and range.

General guidance: Mayo Clinic on weight-training technique. Follow the specific movement steps above for this variation.

Muscles Worked

The Cable One Arm Tricep Pushdown mainly targets your Triceps, with your Forearms helping support the movement.

More Upper Arms Exercises

Assisted Standing Triceps Extension (with Towel) Assisted · Triceps Assisted Triceps Dip (kneeling) Leverage Machine · Triceps Band Alternating Biceps Curl Band · Biceps Band Close-Grip Push-Up Band · Triceps Band Concentration Curl Band · Biceps Band One Arm Overhead Biceps Curl Band · Biceps

More Triceps Exercises

Band Side Triceps Extension Band · Triceps Barbell Close-Grip Bench Press Barbell · Triceps Barbell Decline Close Grip To Skull Press Barbell · Triceps Barbell Incline Close Grip Bench Press Barbell · Triceps Barbell Incline Reverse-Grip Press Barbell · Triceps Barbell Jm Bench Press Barbell · Triceps

Equipment Alternatives

Don't have cable? These target the same triceps with different equipment.

Body-Up Body Weight · Triceps Band Side Triceps Extension Band · Triceps Barbell Decline Close Grip To Skull Press Barbell · Triceps Dumbbell Close Grip Press Dumbbell · Triceps

FAQ

What muscles does the Cable One Arm Tricep Pushdown work?

The Cable One Arm Tricep Pushdown mainly works your triceps. Your forearms also works to help support and steady your body. Using good, smooth form makes sure you work the right muscles and avoid unnecessary strain on your joints.

What equipment do I need for the Cable One Arm Tricep Pushdown?

You do the Cable One Arm Tricep Pushdown with a cable. Make sure your equipment is set up safely before starting. If you work out at home or have limited gear, check out our alternative exercises below.

What form mistake should I watch for on the Cable One Arm Tricep Pushdown?

One mistake to watch for is elbow migration: Keep the upper arm stationary to prevent the movement from turning into a different exercise.. Use a comfortable range and a controlled return; reduce the load if you cannot maintain the demonstrated setup.

How many sets and reps should I perform on the Cable One Arm Tricep Pushdown?

To tone and grow muscle, do 3 to 4 sets of 10 to 15 smooth reps with 60 seconds of rest, focusing on a full stretch and squeezing the muscle at the top of each rep.

What's a good alternative to the Cable One Arm Tricep Pushdown?

The Body-Up trains your triceps with body weight and a similar movement pattern. Review its form guide before substituting it, since setup and range of motion can differ.