Form cues
- Lift with your abs
- Keep chin tucked
- Don't arch back
- Control the motion
Exercise
Waist, body weight

An abdominal crunch performed lying on a flat or decline bench to isolate the abs.
Target: rectus abdominis. Also works: obliques.
Form cues
Common mistakes
Exhale as you lift, inhale as you lower.
In the app, search for Bench Crunch and add it to a workout.