fitubaFloor crunch
Abs · no equipment. Bring your ribs toward your pelvis, barely lifting your shoulders, without pulling on your neck.
Main muscle: Abs
Also works: almost all the work falls on the main muscle
Equipment: no equipment
Typical: 2–4 slow sets of 8–15; per side when alternating.
How to do it
- Bring your ribs toward your pelvis, barely lifting your shoulders, without pulling on your neck.
- Lower back on the floor; hands beside your head without pulling.
- Exhale as you come up and lower without fully resting your head.
Common mistakes
- Pulling your head with your hands.
- Throwing your whole torso up with momentum.
- Going fast with no pause at the top.
Alternative
No equipment, or want to switch it up: Alternating dead bug.
Log it in one message
Type or say: “Did 3 sets of 12 crunch.”
Fituba logs the weights session and its points; in Train you can add sets, reps and load to compare your strength progress. Sample wording, not a prescription.FAQ
What muscles does the floor crunch work?
Main: abs. It's an isolation exercise: almost all the work falls on that muscle.
How many sets and reps of crunch?
Typical: 2–4 slow sets of 8–15; per side when alternating. Adjust the load so you finish every set with good form; the load is the extra weight on top of your bodyweight.
How do I log crunch in Fituba?
In your account, open Train, pick Crunch and add its sets, reps and load; or type “Did 3 sets of 12 crunch” and Fituba logs your weights session.
Sources and limits
Original Fituba copy based on standard technique guides (StrengthLog · Abs). General education: the demo and these notes don't assess your form, mobility or the right load for you; for individual coaching, see a trainer.
More abs exercises
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