absbody weight
crunch floor
crunch floor is a common strength training exercise. Below are form tips, steps, and demos.
Steps
Step 1. Lie flat on your back with your knees bent and feet flat on the ground.
Step 2. Place your hands behind your head with your elbows pointing outwards.
Step 3. Engage your abs and lift your shoulders off the ground, curling forward towards your knees.
Step 4. Pause for a moment at the top, then slowly lower your shoulders back down to the starting position.
Muscles & body parts
Primary muscles
abs
Secondary muscles
hip flexors
Primary body parts
core
Common mistakes & warnings
Form & control
Avoid momentum and excessive swing; keep core stable; match breath to movement; control the eccentric phase.
Control breathing and core; keep a steady tempo.
Log workouts & get AI plans in the app
Record sets, weight, and reps precisely; get AI-generated weekly or single-session plans for muscle, fat loss, or strength. Quick templates or custom. Download Delibra to get started.