Kneeling Cable Crunch
The kneeling cable crunch is a weighted isolation exercise that targets the abdominal muscles by using a cable machine to provide constant tension. It is effective for thickening and strengthening the rectus abdominis through controlled spinal flexion.
Iridium categorizes the Kneeling Cable Crunch as a weighted strength movement, using your RPE and weight trends to drive progressive overload rather than defaulting to high-rep endurance targets. The algorithm tracks this specific upper ab load against your Maximum Adaptive Volume and monitors your 7-day history to ensure core fatigue doesn't negatively impact upcoming compound lifts like squats or deadlifts.
Form Cues
- Lock your hips in a stationary position throughout the set
- Round your upper back to curl your chest toward your thighs
- Exhale all your air at the bottom of the movement
- Hold the rope handles securely next to your ears
- Control the ascent slowly to feel the stretch in your abs
- Don't pull the weight down using your arms or shoulders
- Don't sit your glutes back onto your heels during the rep
- Don't keep your back flat; spinal flexion is necessary
- Don't use momentum to jerk the weight downward
- Don't let your hips sway back and forth
Common Mistakes
- Hinging at the hips instead of the spine
- Pulling with the arms
- Using too much weight
- Limited range of motion
- Sitting back on heels
Muscles Worked
This exercise primarily isolates the rectus abdominis, specifically targeting the upper region, by forcing the spine to flex against constant resistance. Unlike bodyweight movements, the cable keeps tension on the abs throughout the entire range of motion, while the forearms and obliques act as secondary stabilizers.
Primary
Secondary
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