Exercise movement reviewed by:Jesse Gallager

How Iridium Programs This

Iridium categorizes this as a shortened-position isolation movement and generally programs it to vary the stimulus when your 7-day history is dominated by standard lengthening curls. The AI determines set volume by comparing your current fatigue against bicep-specific Maximum Recoverable Volume landmarks to ensure you recover for heavy compound pulling. Progression is managed by analyzing RPE trends to ensure intensity remains high without prioritizing 1RM strength estimates.

Form Cues

Set the cable pulleys to a height slightly above your shoulders.
Keep your elbows high and parallel to the floor throughout the entire set.
Curl your hands toward your ears and squeeze hard at the peak.
Control the weight slowly as you extend your arms back to the starting position.
Brace your core to keep your torso upright and stable.

Don't

Don't let your elbows drop below shoulder level as you fatigue.
Don't jut your head forward to meet the handles.
Don't use momentum or swing your body to move the weight.
Don't shrug your shoulders up toward your ears.

Common Mistakes

Dropping elbows during the lowering phase
Using excessive weight that limits range of motion
Protracting the neck forward (goose necking)
Arching the lower back excessively
Rushing the eccentric (release) portion

Muscles Worked

This exercise isolates the biceps brachii, placing significant emphasis on the short head due to the abducted shoulder position which prevents the front deltoids from assisting. It serves as an excellent finishing movement to fully shorten the muscle fibers, while also engaging the forearms as secondary stabilizers.