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

How Iridium Programs This

Iridium identifies this as a lower-chest specific movement and monitors sub-muscle-group fatigue to ensure it complements rather than duplicates recent dip or decline work. Because max strength metrics are less relevant for cable isolation, Iridium relies on RPE trends and rep performance to gauge progressive overload. The AI specifically programs this exercise to fill gaps in your Minimum Effective Volume without pushing your pectorals beyond their Maximum Recoverable Volume.

Form Cues

Stagger your feet for a stable base of support
Keep your chest up and shoulders pinned back
Drive your hands down and inward toward your waist
Squeeze your chest hard at the bottom where hands meet
Control the weight slowly on the way back up

Don't

Don't let your shoulders roll forward during the squeeze
Don't use momentum or swing your torso to move the weight
Don't lock your elbows out completely; keep a soft bend
Don't let your hands go too far back behind your shoulders

Common Mistakes

Turning the movement into a press by bending elbows too much
Using too much weight and losing the mind-muscle connection
Shrugging the shoulders up toward the ears
Rushing the negative portion of the rep
Leaning too far forward and using body weight to push

Muscles Worked

This exercise primarily isolates the sternal head of the pectoralis major, specifically targeting the lower chest region responsible for the defined lower pec line. Secondarily, it engages the anterior deltoids and stabilizing muscles in the core and forearms to maintain posture against the cable resistance.