Strengthen Core Muscles with Crunches

Crunch

Rep Range

Time Based

Hints

Lie on your back with knees bent, feet flat on the floor. Place hands behind the head or across the chest. Curl the upper body toward the knees.

Common Mistakes

Avoid pulling on the neck. Ensure movement is initiated from the core, not the head or neck.

Breathing

Exhale as you curl up; inhale when lowering back down.

Muscle Focus

Primary Muscles

Upper Abs

Secondary Muscles

Lower Abs, Obliques