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Exercise guide
Machine Seated Crunch
An abdominal isolation exercise performed on a seated machine that flexes the spine against resistance.
What this exercise works
- Muscles
- rectus abdominis · obliques · transverse abdominis
- Goals
- hypertrophy
- Equipment
- Ab crunch machine
- Category
- Strength
- Difficulty
- beginner
Demonstration
Step 1
Step 2
How to perform the movement
- Sit in the abdominal crunch machine and grip the handles.
- Position the chest pad against your upper body.
- Contract your abs to crunch your torso forward and down.
- Squeeze at the bottom of the movement.
- Return to the starting position with control.
- Repeat for the desired number of reps.
Technique cues and common mistakes
- Initiate the movement with your abs, not your arms.
- Exhale as you crunch forward.
- Avoid using momentum by rocking your body.