Dumbbell Seated Alternate Overhead Triceps Extension
Strengthen your triceps with this seated alternate overhead dumbbell extension. Isolate each arm to build upper arm strength and definition effectively.
Description
A weightlifting exercise focusing on the triceps, performed by alternately extending each arm overhead while holding a dumbbell, from a seated position.
How to Do Dumbbell Seated Alternate Overhead Triceps Extension
- 1Setup
Sit on a bench with back support, holding one dumbbell in each hand, resting them on your thighs.
- 2Setup
Lift one dumbbell overhead so your arm is fully extended, palm facing forward, and the other dumbbell rests on your opposite thigh.
- 3
Inhale and slowly lower the overhead dumbbell by bending your elbow, allowing the dumbbell to descend behind your head until your forearm is parallel to the floor.
- 4
Exhale and extend your elbow to push the dumbbell back up to the starting overhead position, fully contracting your triceps.
- 5
Immediately repeat the movement with the other arm, lowering the dumbbell behind your head and then extending it back up.
- 6
Continue alternating arms for the desired number of repetitions, maintaining control throughout.
Tips
- Maintain a stable torso throughout the movement; avoid leaning or rocking to generate momentum, which can reduce triceps activation.
- Keep your elbow pointing forward and relatively close to your head to maximize triceps engagement and minimize shoulder strain.
- Focus on a controlled eccentric (lowering) phase to increase time under tension and enhance muscle growth in the triceps.
- If one arm is significantly weaker, consider performing all repetitions on one side before switching to the other, rather than alternating.
Common Mistakes
- ×Using too much weight causes you to arch your lower back or flare your elbows, so select a lighter dumbbell that allows for strict form and full elbow extension.
- ×Rushing the movement reduces muscle engagement, so perform each repetition slowly and with control, especially during the lowering phase.
- ×Allowing your elbow to drift out to the side shifts tension away from the triceps, so actively keep your elbow pointing forward and aligned with your shoulder.
Variations

Dumbbells Seated Triceps Extension
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Dumbbell Seated Single Arm Overhead Triceps Extension
Target and sculpt your triceps with the seated single-arm overhead dumbbell extension.

Dumbbell Seated Single Arm Overhead Triceps Extension (left)
Perform the Dumbbell Seated Single Arm Overhead Triceps Extension to sculpt and strengthen your triceps effectively.

Dumbbell Seated Reverse Grip One Arm Overhead Tricep Extension
Build strong, defined triceps with this seated one-arm overhead dumbbell extension.
Related Exercises

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Dumbbell Seated Kickback
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Dumbbell Lying Single Extension
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Assisted Standing Triceps Dip
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Body Up
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