Exercise movement reviewed by:Marie Braga, PT, DPT, CSCS

How Iridium Programs This

Iridium splits the volume load between your biceps and anterior deltoids, ensuring this hybrid movement contributes to both weekly targets without exceeding your Maximum Recoverable Volume. Since the transition mechanics often limit the weight you can handle, Iridium prioritizes your RPE feedback over standard 1RM formulas to gauge effective intensity for this specific variation. The algorithm also checks your per-muscle recovery status to confirm that adding a vertical push component fits within your current fatigue levels.

Form Cues

Sit with your back firmly against the bench and feet flat on the floor.
Maintain a neutral 'hammer' grip with palms facing each other throughout the lift.
Curl the weights to shoulder height before initiating the press.
Drive the dumbbells straight overhead until arms are fully extended.
Lower the weights with control, reversing the movement path exactly.

Don't

Don't swing your torso to generate momentum for the curl.
Don't arch your lower back excessively as you press overhead.
Don't rush the transition between the curl and the press.
Don't allow your elbows to flare out wide during the press portion.

Common Mistakes

Using momentum to cheat the curl upward
Hyperextending the lower back
Rotating palms forward during the press
Dropping weights quickly without eccentric control

Muscles Worked

This exercise heavily engages the brachialis and the long head of the biceps due to the neutral hammer grip, while simultaneously building forearm strength. The overhead press portion primarily targets the anterior deltoids and engages the triceps for lockout, making it a comprehensive upper-body developer.