How Iridium Programs This

Iridium utilizes this movement to target the upper chest when sub-muscle-group fatigue analysis suggests your heavy pressing muscles are already taxed. Since progressive overload via weight is limited by standard plate sizes, Iridium prioritizes RPE tracking and set manipulation to gauge intensity rather than pure load increases. This allows you to meet Maximum Adaptive Volume targets for the upper chest without incurring the systemic fatigue associated with heavy compound lifts.

Form Cues

Press your palms firmly together against the plate at all times
Set the bench to a 30 or 45-degree angle
Retract your shoulder blades against the bench for stability
Extend your arms fully while maintaining inward pressure
Control the tempo as you return the plate to your chest

Don't

Don't let your grip relax or the plates separate
Don't use a weight so heavy that you lose the constant squeeze
Don't flare your elbows out excessively
Don't rush the movement; rely on tension rather than speed
Don't arch your lower back off the bench

Common Mistakes

Relaxing the inward pressure between repetitions
Using momentum to push the weight out
Selecting a weight plate that is too heavy
Setting the bench angle too steep
Shortening the range of motion

Muscles Worked

This exercise primarily isolates the clavicular fibers of the pectoralis major (upper chest) by combining flexion with constant isometric adduction. It also engages the anterior deltoids and triceps as stabilizers, while the forearms and grip muscles work significantly to maintain pressure on the plate.