How Iridium Programs This

Iridium relies on RPE feedback rather than 1RM estimates to drive progressive overload here, as standard strength formulas apply poorly to isometric holds. The algorithm tracks volume specifically against your oblique recovery status to ensure stability work does not exceed your Maximum Recoverable Volume. Additionally, Iridium reviews your 7-day workout history to prevent this accessory work from interfering with recovery for heavy compound lifts.

Form Cues

Squeeze your glutes hard to push your hips forward
Exhale sharply as you press the handle away
Keep your hands directly in line with your sternum
Maintain a tall, vertical spine throughout the set
Pause for a distinct second at full extension

Don't

Don't let the cable pull your torso toward the machine
Don't sit back onto your heels; stay tall
Don't shrug your shoulders up toward your ears
Don't rely on momentum to push the weight out

Common Mistakes

Leaning the torso away from the anchor point
Allowing the hips to rotate or twist
Relaxing the glutes and overarching the lower back
Rushing the tempo and missing the isometric hold
Positioning the knees too wide for stability

Muscles Worked

This exercise primarily targets the obliques and transverse abdominis, acting as a 'brace' to protect the spine against rotational forces. By performing this in a tall kneeling position, you also heavily engage the glutes to maintain hip extension, ensuring your core stability connects effectively to your lower body.