Standing DB Tricep Extension

Illustration of a man performing a standing tricep extension with dumbbells, demonstrating the start and finish positions, with muscles highlighted in red.

Exercise Description

The Standing Dumbbell Triceps Extension is an isolation exercise that targets the triceps by extending the elbows while holding a dumbbell overhead. This movement places the triceps, particularly the long head, under a deep stretch, making it highly effective for building upper-arm size, strength, and definition. The standing position also requires core engagement and shoulder stability throughout the exercise.

Primary Muscles Worked

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

Secondary Muscles Worked

  • Anconeus

  • Anterior Deltoids (Stabilization)

  • Rotator Cuff Muscles (Stabilizers)

  • Upper Trapezius

  • Rectus Abdominis

  • Obliques

  • Erector Spinae (Lower Back Stabilizers)

How to Perform Correctly

Setup

  1. Stand upright holding a dumbbell with both hands beneath the top plate.

  2. Press the dumbbell overhead until your arms are fully extended.

  3. Position your feet shoulder-width apart.

  4. Engage your core and maintain a neutral spine.

  5. Keep your elbows close to your head throughout the exercise.

Movement

  1. Slowly lower the dumbbell behind your head by bending your elbows.

  2. Keep your upper arms stationary and pointing upward.

  3. Lower the weight until you feel a comfortable stretch in your triceps.

  4. Pause briefly at the bottom position.

  5. Extend your elbows and raise the dumbbell back to the starting position.

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

  7. Repeat for the desired number of repetitions.

Common Mistakes to Avoid

Allowing the Elbows to Flare Out

  • Keep your elbows as close to your head as comfortably possible to maximize triceps activation.

Using Excessive Weight

  • Heavy dumbbells often lead to poor technique and increased joint stress.

Moving the Upper Arms

  • Only the forearms should move during the exercise.

Arching the Lower Back

  • Engage your core and glutes to maintain proper spinal alignment.

Using Momentum

  • Avoid leaning backward or swinging the weight.

Incomplete Range of Motion

  • Lower the dumbbell fully under control and fully extend the elbows at the top.

Lowering the Weight Too Quickly

  • Control the descent to maximize muscle activation and safety.

Arm Exercises