Ab Crunch Machine
Core
Machine
Beginner
START
END
THE CUE
Curl your ribcage toward your pelvis against the resistance. The crunch comes from spinal flexion, not hip flexion.
MUSCLES WORKED
Rectus Abdominis
Also: Obliques
COACH'S NOTE
Curl torso down, exhale at bottom
How to do it
01
Sit in the machine with your back against the pad. Grip the handles above your shoulders or across your chest, depending on the machine design.
The full ab crunch machine guide is in the app.
✓
2 more steps
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2 common mistakes and how to fix them
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Animated demo and a rest timer, set by set
Open it in Fittrexx — free
How Fittrexx programs it
isolation · hypertrophy
STYLE
Full gym
WHERE
🔒 In the app
SETS × REPS
🔒 In the app
REST
Fittrexx writes the sets, reps, rest and starting weight for ab crunch machine from your goal, experience and gear, then adjusts them as it learns how you recover.
More for core
IN THE APP
Log ab crunch machine in seconds.
Weight × reps per set, your previous set shown beside it, and a live bar that tells you whether this session beats last time.
Download free on iPhone