Fact checkedEvidence Based

Evidence Based

Hardest Ab Exercises You Need To Give A Try In [AU] 2023

Christine VanDoren

Updated on - Written by
Medically reviewed by Kathy Shattler, MS, RDN

hardest ab exercises
Difficult ab exercises are great for strengthening the core. Photo: Shutterstock

You came here for the hardest ab exercises. You don’t need us to tell you that these exercises will give you the best workout for core and abs you’ve ever seen. They can also help you burn fat – better and cheaper than a commercial fat burner – and build a strong core.

This article will explore seven of the most challenging muscle-building ab exercises that will push your limits and take your fitness journey to the next level. Before we start, note that you’ll get the best and safest results with proper form and technique.

7 Hardest Ab Exercises You May Not Know

Here are some abdominal exercises that are sure to give you a challenge:

  1. Dragon Flag.
  2. Standing Barbell Rollout.
  3. TRX Oblique Crunch.
  4. Hanging Dragonflies.
  5. Oblique V-Ups.
  6. Weighted Plank.
  7. Human Flag.

7 Hardest Ab Exercises To Challenge

Dragon Flag

hardest ab exercises
Dragon Flags are the ultimate abdominal challenge. Photo: Shutterstock & Team Design

The Dragon Flag is an exercise known for engaging the entire core and building incredible abdominal strength. It requires a high level of control and stability, making it one of the hardest ab exercises.

Instructions:

  • Lie on your back on a flat bench or mat with your upper body extended and your hands gripping the bench behind your head.
  • Lift your legs and hips off the bench, keeping your upper body fixed and straight but your knees bent.
  • Slowly lower your legs and hips toward the bench, maintaining control throughout the movement.
  • Once your legs are parallel to the bench, reverse the movement and lift your legs and hips back to the starting position.
  • Aim for eight to ten reps per set.

Standing Barbell Rollout

The Standing Barbell Rollout is a challenging exercise that targets the entire core, including the rectus abdominis, obliques, and lower back muscles. This exercise requires a barbell with weight plates.

Instructions:

  • Stand upright with your feet shoulder-width apart, knees slightly bent, holding a barbell with an overhand grip. Your hands should be slightly wider than shoulder-width apart, and the barbell will be resting on your upper thighs.
  • Bring the barbell to the floor and slowly roll it forward, keeping your core engaged and your back straight.
  • Continue rolling until your body is fully extended, with your arms overhead and your torso parallel to the floor.
  • Reverse the movement by pulling the barbell back towards your body, returning to the starting position.
  • Aim for eight to ten reps per set.

TRX Oblique Crunch

The TRX Oblique Crunch is an intense exercise that targets the obliques, the muscles on the sides of your abdomen. It requires a TRX suspension trainer or any other suitable suspension training system. 

Instructions:

  • Place your feet in the handles of the TRX suspension trainer and get into a plank position with your arms straight.
  • Inhale and brace your core as you bring your knees up toward your chest and to one side.
  • Hold here momentarily before exhaling and slowly straightening your legs back out.
  • Repeat on the other side. Aim for ten to 12 reps on each side.

Hanging Dragonflies

The Hanging Dragonflies are an advanced hanging leg exercise that targets the entire abdominal area, including the upper and lower abs. This exercise requires a pull-up bar or any sturdy overhead bar. To adapt this exercise for beginners, you can start from a position of rest, such as on a stability ball.

Instructions:

  • Hang from the bar with your arms fully extended and your legs together.
  • Engage your core and raise your legs up in front of you, keeping them straight.
  • Once your legs are parallel to the floor, use your abs to lift your hips and curl your body into a tuck position.
  • Slowly reverse the movement, extending your body back to the starting position.
  • Aim for eight to ten reps per set.

Oblique V-Ups

Oblique V-Ups are a challenging exercise that specifically targets the oblique muscles, helping to carve out a defined waistline. They’re great for weight loss as well as for building strength.

Instructions:

  • Lie on your right side with your legs straight and stacked on top of each other – left leg on top of the right leg. Rest your right arm on the floor for support, and place your left arm above you, with the hand behind your head.
  • Keeping your legs pressed against each other, lift your legs up off the floor and bring your left elbow toward your left knee while contracting your obliques.
  • Slowly lower your legs and torso back to the starting position.
  • Repeat the movement on the other side.
  • Aim for ten to 12 reps per side.

Weighted Plank

hardest ab exercises
Weighted Planks take this classic exercise to another level. Photo: Shutterstock & Team Design

There are many plank variations, but the Weighted Plank is one of the most intense. This exercise adds resistance, creating a demanding exercise for the entire core.

Instructions:

  • Assume a plank position with your forearms on the ground, elbows under your shoulders, and toes on the floor. Place a weighted plate or a dumbbell on your upper back.
  • Engage your core, keeping your body in a straight line from head to toe.
  • Hold the position for a specified time, such as 30 to 60 seconds. 
  • Remember to breathe and maintain proper form throughout the exercise.
  • Aim for two to three sets, gradually increasing the duration.

Human Flag

The Human Flag is an incredibly challenging exercise that targets the core and requires significant upper-body strength and stability. It involves holding your body horizontally while gripping a vertical pole or bar.

Instructions:

  • Stand next to a sturdy vertical pole or pull-up bar and grip it with one hand above your head and the other hand lower down.
  • Engage your core and lift your feet off the ground, extending your body horizontally.
  • Keep your body tight and straight, with your lower arm pushing down on the pole for stability.
  • Hold the position for as long as you can maintain proper form and control.
  • Aim for shorter durations initially and gradually increase over time.

Common Mistakes When Doing Exercises

Sacrificing Form For Quantity

When doing ab exercises, focus on quality over quantity. It can be tempting to rush through the movements, but rushing can increase the risk of injury. 

To maximize the benefits of upper ab workouts and others, maintain proper technique throughout each movement. Slow down, engage the targeted muscles fully, and ensure controlled and deliberate execution. 

Neglecting Warm-Ups

Don’t skip warm-ups before ab workouts. A proper warm-up routine[1] helps prepare your core and activate the targeted muscles, increasing blood flow and flexibility. 

Prioritize dynamic stretches and light cardiovascular activity to warm up your body and loosen up your muscles. A few stretches can maximize performance and prevent injuries during lower ab workouts, general ab workouts, or any workout.

Ignoring Warning Signs

Feeling uncomfortable when you’re pushing yourself is normal, but serious pain could be a sign that something is wrong. Listen to your body. If you feel severe pain, sudden discomfort, or joint instability, stop immediately – pushing through pain can aggravate existing injuries or lead to new ones.

Pay attention to exhaustion, too. Start thinking about your nutrition if you feel like you can’t make it through a workout, especially repeatedly.

You might even consider supplements for extra protein and nutrients and to aid weight loss. It’s also possible your workout is just too intense, and you might need to tone it down a bit.

Safety Tips

When performing the hardest ab exercises, safety should be a top priority. Here are some safety tips to remember:

  1. Start with proper warm-up exercises to prepare your core and activate the targeted muscles.
  2. Focus on maintaining proper form and technique throughout each exercise to prevent injuries.
  3. Gradually increase the intensity and difficulty of the exercises as your core strength improves.
  4. If you have any pre-existing medical conditions or injuries, consult with a healthcare professional before attempting these exercises.
  5. If you experience any sharp or prolonged pain during the exercises, stop immediately and seek medical advice.

The Bottom Line

These difficult ab exercises build a strong core, improve stability, and define abs by targeting multiple muscle groups. A beginner may want simpler core stabilization exercises,[2] but these are some of the most intense you can get.

Remember to exercise with proper form and technique to minimize injury; listen to your body and progress only gradually. Combine these exercises with a well-rounded fitness program, proper nutrients, and adequate sleep, and you’ll be unstoppable.

Frequently Asked Questions

What is the hardest ab workout at home?

The Dragon Flag is one of the hardest core exercises to do at home, engaging the entire core. There is no single hardest ab workout, but this one is near the top.

What was the most effective ab exercise?

The effectiveness of ab exercises varies, but compound movements like the Dragon Flag, Standing Barbell Rollout, and Hanging Dragonflies are highly effective for building core strength.

Should you work abs every day?

Don’t work abs daily, as they need time to recover. Do abs exercises two to three times a week, and rest for at least one day in between.

How often should you do ab exercises?

Exercise two to three times a week for general fitness, but listen to your body and take breaks as needed.


+ 2 sources

Health Canal avoids using tertiary references. We have strict sourcing guidelines and rely on peer-reviewed studies, academic researches from medical associations and institutions. To ensure the accuracy of articles in Health Canal, you can read more about the editorial process here

  1. Park, H.-K., Jung, M.-K., Park, E., Lee, C.-Y., Jee, Y.-S., Eun, D., Cha, J.-Y. and Yoo, J. (2018). The effect of warm-ups with stretching on the isokinetic moments of collegiate men. [online] 14(1), pp.78–82. doi:https://doi.org/10.12965/jer.1835210.605.
  2. Ashiyat Kehinde Akodu, T.O. Ajepe and J.O. Onwuazombe (2020). Effects of core-stabilization and dynamic strengthening exercises on patients with non-specific chronic low back pain in Lagos: A pilot study. [online] 8(2), pp.113–123. doi:https://doi.org/10.4314/rejhs.v8i2.7.
Christine VanDoren

Medically reviewed by:

Kathy Shattler

Christine is a certified personal trainer and nutritionist with an undergraduate degree from Missouri State University. Her passion is helping others learn how strong and healthy they can become by transforming their daily habits. Christine spends most of her time in the gym, hiking, painting, and learning how she can influence others through positivity!

Medically reviewed by:

Kathy Shattler

Journal of Physical Education and Sport

Trusted Source

Go to source

SciELO - Scientific Electronic Library Online

Trusted Source

Go to source

African Journals Online

Non-profit Platform for African Journals

Trusted Source
Go to source

Journal of The American Board of Family Medicine

American Board of Family Medicine

Trusted Source
Go to source

Informit

RMIT University Library

Trusted Source
Go to source

European Food Safety Authority

Science, Safe food, Sustainability

Trusted Source
Go to source

OrthoInfo

American Academy of Orthopaedic Surgeons

Trusted Source
Go to source

American Academy of Family Physicians

Strengthen family physicians and the communities they care for

Trusted Source
Go to source

Agricultural Research Service

U.S. Department of Agriculture

Trusted Source
Go to source

The American Journal of Medicine

Official Journal of The Alliance for Academic Internal Medicine

Trusted Source
Go to source

National Institute on Alcohol Abuse and Alcoholism

Database From National Institute Of Health

Trusted Source
Go to source

Lippincott Journals

Subsidiaries of Wolters Kluwer Health, Inc.

Trusted Source
Go to source

National Institute on Aging

Database From National Institute Of Health

Trusted Source
Go to source

Translational Research

The Journal of Laboratory and Clinical Medicine

Trusted Source
Go to source

Cell

An All-science Publisher

Trusted Source
Go to source

Journal of Translational Medicine

BioMed Central

Part of Springer Nature
Go to source

Federal Trade Commission

Protecting America's Consumers

Trusted Source
Go to source

National Human Genome Research Institute

Database From National Institute Of Health

Trusted Source
Go to source

Food Production, Processing and Nutrition

BioMed Central

Part of Springer Nature
Go to source

BMC Gastroenterology

BioMed Central

Part of Springer Nature
Go to source

ACS Publications

A Division of The American Chemical Society

Trusted Source
Go to source

Annual Reviews

Independent, Non-profit Academic Publishing Company

Trusted Source
Go to source

PubChem

National Center for Biotechnology Information

National Library of Medicine
Go to source

PLOS Journals

Nonprofit Publisher of Open-access Journals

Trusted Source
Go to source

Thieme E-books & E-Journals

Peer-reviewed & Open Access Journal

Trusted Source
Go to source

European Journal of Agriculture and Food Sciences

Peer-reviewed International Journal Publishes

Trusted Source
Go to source

Royal Society of Chemistry Publishing Home

Chemical Science Journals, Books and Database

Trusted Source
Go to source

Frontiers

Publisher of Peer-reviewed Articles in Open Acess Journals

Trusted Source
Go to source

De Gruyter

German Scholarly Publishing House

Trusted Source
Go to source

Hindawi

Open Access Research Journals & Papers

Trusted Source
Go to source

Oilseeds and Fats, Crops and Lipids

EDP Sciences

Trusted Source
Go to source

Cambridge Core

Cambridge University Press

Trusted Source
Go to source

FoodData Central

U.S. Department Of Agriculture

Trusted Source
Go to source

Journal of the American Heart Association

Peer-reviewed Open Access Scientific Journal

Trusted Source
Go to source

National Center for Complementary and Integrative Health

Database From National Institute Of Health

U.S Department of Health and Human Services
Go to source

The Americans with Disabilities Act

U.S. Department of Justice Civil Rights Division

Trusted Source
Go to source

Journal of the Academy of Nutrition and Dietetics

Organization of Food and Nutrition Professionals

tr
Go to source

Sage Journals

Database From Sage Publications

Trusted Source
Go to source

National Institute of Drug Abuse

Database From National Institute Of Health

U.S Department of Health and Human Services
Go to source

The ClinMed International Library

A Repository and an Open Access Publisher for Medical Research

Trusted Source
Go to source

The Royal Society Publishing

United Kingdom's National Academy of Sciences

Trusted Source
Go to source

APA PsycNet

Database From American Psychological Association

Trusted Source
Go to source

The Pharma Innovation Journal

Peer-reviewed And Refereed Journal

Trusted Source
Go to source

Asian Journal of Pharmaceutical Research and Development

Peer-reviewed Bimonthly Journal

Trusted Source
Go to source

British Pharmacological Society

Journals - Wiley Online Library

Trusted Source
Go to source

American Psychological Association

Scientific and Professional Organization of Psychologists

Trusted Source
Go to source

AAP Publications

Database From American Academy of Pediatrics

Trusted Source
Go to source

Karger Publishers

Academic Publisher of Scientific and Medical Journals and Books

Trusted Source
Go to source

Cambridge University Press & Assessment

Database From Cambridge University

Trusted Source
Go to source

National Institute of Mental Health

Database From National Institute Of Health

U.S. Department of Health and Human Services
Go to source

MDPI

Publisher of Open Access Journals

Trusted Source
Go to source

Bulletin of the National Research Centre

Part of Springer Nature

Trusted Source
Go to source

The New England Journal of Medicine

Massachusetts Medical Society

Trusted Source
Go to source

Economic Research Service

U.S. DEPARTMENT OF AGRICULTURE

Trusted Source
Go to source

MedlinePlus

Database From National Library of Medicine

U.S Department of Health and Human Services
Go to source

National Institute of Health

An agency of the U.S. Department of Health and Human Services

Trusted Source
Go to source

Trusted Source

Database From National Institute Of Health

U.S Department of Health and Human Services
Go to source

The BMJ

Weekly Peer-reviewed Medical Trade Journal

The British Medical Association
Go to source

The British Psychological Society

The British Psychological Society is a charity registered in England

Database From Wiley Online Library
Go to source

National Heart, Lung, and Blood Institute

Database From National Institute Of Health

U.S Department of Health and Human Services
Go to source

PubMed

Database From National Institute Of Health

U.S National Library of Medicine
Go to source

DailyMed

Database From National Institute Of Health

U.S National Library of Medicine
Go to source

Google Scholar

Go to source

Science.gov: USA.gov for Science

Government Science Portal

Go to source

ResearchGate

Social Network Service For Scientists

Find and share research
Go to source

American Heart Association

To be a rentless force for a world of longer, healthier lives

Go to source

BioMed Central

Research in progress

Go to source

JAMA Network

Home of JAMA and the Specialty Journals of the American Medical Association

Go to source

Springer Link

Database From Springer Nature Switzerland AG

Springer - International Publisher Science, Technology, Medicine
Go to source

ODS

Database from Office of Dietary Supplements

National Institutes of Health
Go to source

Federal Trade Commission

Bureaus of Consumer Protection, Competition and Economics
Go to source

Trusted Source

Database From U.S. Department of Health & Human Services

Governmental Authority
Go to source

Oxford Academic Journals

Oxford University Press

Trusted Source
Go to source

Taylor & Francis Online

Peer-reviewed Journals

Academic Publishing Division of Informa PLC
Go to source

WHO

Database from World Health Organization

Go to source

Journal of Neurology

Peer-reviewed Medical Journal

American Academy of Neurology Journal
Go to source

ScienceDirect

Bibliographic Database of Scientific and Medical Publications

Dutch publisher Elsevier
Go to source

Wiley Online Library

American Multinational Publishing Company

Trusted Source
Go to source

Centers for Disease Control and Prevention

U.S. National Public Health Agency

U.S Department of Health and Human Services
Go to source

Trusted Source

Database from U.S. National Library of Medicine

U.S. Federal Government
Go to source

U.S. Food & Drug Administration

Federal Agency

U.S Department of Health and Human Services
Go to source

PubMed Central

Database From National Institute Of Health

U.S National Library of Medicine
Go to source
Feedback

Help us rate this article

Thank you for your feedback

Keep in touch to see our improvement