Prone Incline Dumbbell Curl

A muscular man demonstrates prone incline curl, starting with the dumbbells at thigh level and ending with the dumbbells raised up to shoulder level, on a black workout bench. Red highlighted muscle groups include the biceps, forearms, and shoulders.

Exercise Description

The Prone Incline Dumbbell Curl is an isolation exercise that targets the biceps while lying face down on an incline bench. The chest-supported position minimizes body movement and momentum, forcing the biceps to perform all of the work. This setup promotes strict form, improves mind-muscle connection, and provides constant tension throughout the movement, making it an excellent exercise for building biceps size, strength, and definition.

Primary Muscles Worked

  • Biceps Brachii

Secondary Muscles Worked

  • Brachialis

  • Brachioradialis

  • Forearm Flexors

  • Forearm Extensors (Stabilization)

  • Anterior Deltoids (Stabilization)

How to Perform Correctly

Setup

  1. Adjust an incline bench to approximately 45–60 degrees.

  2. Hold a dumbbell in each hand and lie face down on the bench with your chest fully supported.

  3. Allow your arms to hang straight toward the floor.

  4. Position your palms facing forward or slightly inward.

  5. Keep your chest in contact with the bench and maintain a neutral neck position.

  6. Engage your core and keep your shoulders relaxed.

Movement

  1. Curl the dumbbells upward by bending your elbows.

  2. Keep your upper arms stationary throughout the movement.

  3. Continue until the dumbbells approach shoulder level or until you achieve a full biceps contraction.

  4. Squeeze your biceps at the top position.

  5. Pause briefly at peak contraction.

  6. Slowly lower the dumbbells back to the starting position under control.

  7. Fully extend your arms at the bottom to achieve a complete stretch.

  8. Repeat for the desired number of repetitions.

Common Mistakes to Avoid

Using Excessive Weight

  • Heavy dumbbells often reduce range of motion and encourage compensatory movements.

Lifting the Chest Off the Bench

  • Keep your chest firmly supported throughout the exercise.

Moving the Upper Arms

  • The upper arms should remain relatively fixed during the curl.

Incomplete Range of Motion

  • Fully extend the arms at the bottom and complete the curl at the top.

Shrugging the Shoulders

  • Keep the shoulders relaxed and away from the ears.

Lowering Too Quickly

  • Control the eccentric phase to maximize muscle activation and reduce injury risk.

Bending the Wrists Excessively

  • Maintain neutral wrists throughout the exercise.

Arm Exercises