Name of Exercise—Crunch
Type of Exercise—Multi-joint
Muscles used—Abdominal muscles
© 2011 Nucleus Medical Media, Inc.
As a beginner, it is important to perform a posterior pelvic tilt prior to performing the crunch. To do this, press your lower back into the floor while curling your pelvis slightly upward. This will help you engage the right muscles.
Stop when you feel tired. Build your resistance slowly.
There are a few modifications that can make the exercise more challenging:
Avoid pulling up or jerking on your head with your hands. This could cause injury to the neck. Keep your hands light on your head and concentrate on using your abdominal muscles to do the crunch. Make sure to maintain correct technique even as you fatigue.
National Association for Health and Fitness
President's Council on Fitness, Sport & Nutrition
Canadian Society for Exercise Physiology
Health Canada Physical Activity
Bent-knee sit-up/crunches. American Council on Exercise website. Available at: http://www.acefitness.org/acefit/fitness_programs_exercise_library_details.aspx?exerciseid=52. Accessed November 14, 2014.
When pigs crunch: A commonsense approach to abdominal training. American Council on Exercise website. Available at: http://www.acefitness.org/certifiednewsarticle/1884/when-pigs-crunch-a-commonsense-approach-to. Accessed November 14, 2014.
Last reviewed November 14, 2014 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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