Crunches

A 200-characters-or-less explanation of the exercise.

Instructions

• Lie on your back with knees bent and feet flat.
• Cross your arms over your chest.
• Contract your abs to lift your shoulders off the floor.
• Hold briefly, then lower back down.

Common Mistakes to Avoid

• Pulling on the neck.
• Not engaging the core.
• Using momentum instead of muscle control.

Additional Information