( ABDOMINALS ) — CORE
Crunch
AbdominalsDumbbell
How to do it
Lie on your back with knees bent and hold a dumbbell straight up over your chest. Curl your shoulders off the floor, pressing the weight toward the ceiling, then lower slowly. Small range, strong squeeze.
Log the Crunch in Reysa
Plan it into your week and watch the trend — free on iPhone.
