Machine ab crunch
General guidance. This page has not been reviewed by a qualified professional yet.
Machine ab crunch. Bring ribs toward pelvis by curling your torso under control, then release slowly.
How to do this exercise: Machine ab crunchSetup · movement · load
- Set your position
Adjust seat and pads on the machine; for cables kneel facing a high rope and hold it beside your head.
- Make the movement
Bring ribs toward pelvis by curling your torso under control, then release slowly.
- Breathe and control the pace
Breathe out during the harder part and in on the return. Control the return instead of dropping the weight. Two reps in reserve means you could do about two more clean repetitions.
Do not pull with your neck or arms or replace the curl with only a hip bend.
Log the number shown on the machine. Pulley ratios vary, so compare results on the same machine.
For your first use, ask staff to show you the machine settings and safety release. Stop for sharp pain. This basic guide is awaiting professional review.
- Type
- Strength
- Difficulty
- Beginner
- Sides
- Both sides together
- How load is measured
- Machine-displayed load
Main muscles
Abs
Supporting muscles
Obliques
Equipment
Load values are only comparable on the same exercise and equipment.
How to do it
- Adjust seat and pads on the machine; for cables kneel facing a high rope and hold it beside your head.
- Bring ribs toward pelvis by curling your torso under control, then release slowly.
Common mistakes
- Do not pull with your neck or arms or replace the curl with only a hip bend.
Safety notes
- Start with easy resistance and breathe continuously. Stop for sharp pain; ask gym staff to demonstrate unfamiliar equipment.
Alternatives and variations
- Cable crunch – Alternative