Incline DB Tricep Extension

Illustration of a man performing an incline dumbbell tricep extension in a workout bench. The image shows the start and finish positions with the man raising and lowering two dumbbells above his head.

Exercise Description

The Incline Dumbbell Triceps Extension is an isolation exercise that targets the triceps while lying on an incline bench. The inclined position places the triceps, particularly the long head, under a greater stretch compared to many other extension variations. This increased range of motion makes the exercise highly effective for building triceps size, strength, and muscle definition.

Primary Muscles Worked

  • Triceps Brachii (Long Head, Lateral Head, and Medial Head)

Secondary Muscles Worked

  • Anconeus

  • Anterior Deltoids (Stabilization)

  • Forearm Muscles (Grip Stabilization)

  • Rotator Cuff Muscles (Stabilizers)

How to Perform Correctly

Setup

  1. Adjust an incline bench to approximately 30–45 degrees.

  2. Lie back on the bench holding a dumbbell in each hand.

  3. Press the dumbbells overhead with your arms fully extended.

  4. Position your palms facing each other (neutral grip).

  5. Keep your elbows pointed upward and close to your head.

  6. Engage your core and keep your shoulders stable against the bench.

Movement

  1. Slowly lower the dumbbells by bending your elbows.

  2. Allow the dumbbells to move beside or slightly behind your head.

  3. Keep your upper arms relatively stationary throughout the exercise.

  4. Lower the weights until you feel a comfortable stretch in your triceps.

  5. Pause briefly at the bottom position.

  6. Extend your elbows and return the dumbbells to the starting position.

  7. Squeeze your triceps at the top of the movement.

  8. Repeat for the desired number of repetitions.

Common Mistakes to Avoid

Allowing the Elbows to Flare Out

* Keep the elbows close to the head to maximize triceps activation.

Using Excessive Weight

* Heavy dumbbells often lead to poor control and reduced range of motion.

Moving the Upper Arms

* The upper arms should remain relatively fixed throughout the movement.

Lowering the Weights Too Quickly

* Control the eccentric phase to improve muscle activation and reduce injury risk.

Incomplete Range of Motion

* Use a full stretch and complete extension for maximum effectiveness.

Arching the Back Excessively

* Keep your back supported by the bench and avoid excessive spinal extension.

Locking Out Aggressively

* Extend the elbows fully without forcefully snapping the joints into lockout

Arm Exercises