Barbell Seated Overhead Triceps Extension
The Barbell Seated Overhead Triceps Extension is a powerful isolation exercise that targets the triceps muscles, contributing significantly to upper arm strength and size. This exercise emphasizes the long head of the triceps, promoting a fuller and more balanced arm development. Whether you’re an experienced lifter or a beginner, incorporating this exercise into your routine can enhance your arm workouts.
The Barbell Seated Overhead Triceps Extension involves extending a barbell overhead while seated, primarily targeting the triceps muscles. This exercise requires a strict form to effectively isolate the triceps and avoid strain on the elbows and shoulders. It’s particularly beneficial for building strength and muscle mass in the upper arms.
Targeted Muscle Groups

Primary Muscles:
- Triceps Brachii: The primary muscle worked during this exercise is the triceps brachii, especially the long head. The triceps make up the majority of the upper arm’s muscle mass and are crucial for elbow extension.
Secondary Muscles:
- Shoulders (Deltoids): The shoulders assist in stabilizing the weight overhead, especially the anterior deltoids.
- Core Muscles: The abdominal muscles and lower back work to maintain an upright posture during the exercise, ensuring stability.
Equipment Needed
To perform the Barbell Seated Overhead Triceps Extension, you will need:
- Barbell: A straight or EZ barbell can be used depending on your preference and comfort. The EZ bar may reduce strain on the wrists.
- Weight Plates: Choose weights appropriate for your strength level. Start light to ensure proper form.
- Bench: A sturdy bench with back support is recommended for stability and proper posture.
How to Perform the Barbell Seated Overhead Triceps Extension Step-by-Step Guide:
1. Setup:
- Begin by sitting on a bench with back support. Hold a barbell with both hands using a close grip (hands shoulder-width apart). Start with the barbell resting on your thighs.

Muscles used in the military press.
Illustration credit © Aliaksandr Makatserchyk
2. Positioning:
- Lift the barbell overhead until your arms are fully extended. Your palms should face forward, and your elbows should be close to your head. Keep your core engaged and your back flat against the bench.
3. Lowering Phase:
- Slowly bend your elbows to lower the barbell behind your head. Your upper arms should remain stationary while only your forearms move. Lower the barbell until you feel a stretch in your triceps.
4. Lifting Phase:
- Extend your elbows to lift the barbell back to the starting position. Focus on squeezing the triceps at the top of the movement. Ensure the movement is controlled, avoiding any jerking motions.
5. Repeat:
- Perform the desired number of repetitions while maintaining good form throughout.
Recommended Reps and Sets
For muscle hypertrophy:
- Reps: 8-12 per set
- Sets: 3-4 sets
- Rest: 60-90 seconds between sets
For strength development:
- Reps: 5-8 per set with heavier weights
- Sets: 3-5 sets
- Rest: 2-3 minutes between sets
For muscular endurance:
- Reps: 12-15 per set with lighter weights
- Sets: 2-3 sets
- Rest: 30-60 seconds between sets
Pro Tips for Success
- Start with a Lighter Weight: Begin with a lighter weight to ensure you can maintain proper form throughout the exercise. This helps prevent injury and allows you to focus on muscle activation.
- Keep Elbows Close: Keep your elbows close to your head throughout the movement. Allowing them to flare out reduces the focus on the triceps and increases strain on the shoulders.
- Control the Movement: Use a slow and controlled motion during both the lowering and lifting phases. Avoid using momentum, which can reduce the effectiveness of the exercise and increase the risk of injury.
- Maintain a Neutral Spine: Keep your back flat against the bench and your core engaged. This prevents lower back strain and promotes better posture.
- Breathe Correctly: Inhale as you lower the barbell and exhale as you lift it back up. Proper breathing helps maintain stability and focus during the exercise.
Common Mistakes to Avoid
- Using Too Much Weight: Lifting too heavy can compromise your form, leading to potential injuries. It’s better to use a manageable weight and gradually increase as your strength improves.
- Flaring Elbows: Flaring the elbows out to the sides reduces the effectiveness of the triceps activation and places unnecessary stress on the shoulder joints.
- Arching the Lower Back: Arching your back during the exercise can strain the lower back. Always keep your back pressed firmly against the bench.
- Rushed Repetitions: Performing the exercise too quickly reduces the time under tension, limiting muscle growth. Focus on slow, deliberate movements.
The Barbell Seated Overhead Triceps Extension is a valuable exercise for building and strengthening the triceps. By following the proper technique and avoiding common mistakes, you can effectively target your triceps and achieve better upper arm development. Incorporate this exercise into your workout routine to add variety and challenge to your triceps training.