Exercise guide
Crunch
How to do the Crunch. Works the abs. Lie on your back with your knees bent and feet flat on the floor. Place your hands behind your head or across your chest…
Primary musclesAbs
Supporting musclesNot specified
EquipmentNo equipment
Tracked byReps
How to perform the crunch
- Lie on your back with your knees bent and feet flat on the floor. Place your hands behind your head or across your chest. Curl your upper body toward your knees, lifting your shoulders and upper back off the floor. Pause at the top and then slowly lower back down to the starting position.