£29.99 £21.99

  • *FREE EBOOK WITH EVERY PURCHASE* THE BEST GUIDE TO THE ULTIMATE CORE CRUSHING ABS! Start getting maximum results from your ab training with our eBook containing instructions and over 20 core crushing exercises to try!
  • ULTIMATE SUPPORT AND DURABILITY! Made from the highest quality anti-burst material, the CORE CRUSHER won’t let you down.
  • ACHIEVE THOSE KILLER ABS! Accelerate your abdominal and core training, so you’ll have killer abs in next to no time with this swiss ball.
  • 100% BETTER THAN MONEY BACK GUARANTEE! If you’re not happy with the product, we’ll REFUND you and send a REPLACEMENT.

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Now is the time to take your core training to the next level and get those killer abs you’ve been dreaming of!

The CORE CRUSHER from Master of Muscle is a high-quality fitness ball, made from professional-grade anti-burst material. Achieve the ripped killer abs you’ve been training for with the help of the CORE CRUSHER.

The CORE CRUSHER can give you:

  • Strengthened and conditioned core and abdominal muscles.
  • Training for overall mobility, flexibility, stability and body balance.
  • Strengthened other areas, such as: gluteus, hamstrings, lower back, pelvis and hips.

The CORE CRUSHER exercise ball allows your abs to hyperextend beyond 180 degrees, leading to an increase in your range of motion. It takes the pressure from your neck and lower back and displaces it onto your 6-pack-to-be!

The CORE CRUSHER’s features include:

  • Most popular size of 65cm
  • Anti-burst material for durability
  • Free pump included
  • Suitable for any fitness level
  • Maximise your ab training with our free eBook.

Also included with every purchase is a FREE EBOOK, containing instructions and over 20 core crushing workouts for you to try with your CORE CRUSHER fitness ball!

If there is a problem with the product, we will give you a refund and send you a new one! That’s our Better Than Money Back Guarantee!

Get the killer abs that you desire with the CORE CRUSHER swiss ball TODAY!

Delivery Information

Master of Muscle is Fulfilled By Amazon which means that we’re able to get your order to you quickly and in perfect condition. We supply our products to Amazon and they pick, pack and dispatch them to the UK and EU. Amazon also manages returns and refunds on our behalf.

UK & Republic of Ireland

We want you to have your Master of Muscle products as soon as possible, so we offer a variety of delivery options. Depending on the option that you choose, you can receive your order within 1-3 days after dispatch (Standard Delivery) or the next working day (One-Day Delivery)!

If your order includes £20 or more of eligible products (£25 in Eire), then you’ll qualify for Free Delivery which has an estimated delivery time of 3-5 days.

Mainland Europe

We ship to all countries in Europe with Standard Delivery (3-10 days) or with the quicker Expedited service (2-4 days). Where available, we can also deliver within 1-2 days (One-Day or Two-Day Delivery).

Free Delivery is not available to those outside of the UK (inc. Channel Islands, IOM and BFPO addresses) and the Republic of Ireland. Any import or customs fees are your responsibility unless your country is listed in the Amazon Global Program.

We handle all product inquiries so feel free to contact us with any questions.

Designed by Fitness Professionals

All of our fitness products are designed by fitness professionals that actually use them! We understand what it takes to drive performance and the best ways of achieving goals. All of this knowledge is put into every piece of fitness equipment we make and is why our products are loved around the world.

Premium Quality

There is nothing worse than equipment that cannot stand the test of hardcore training. All of our fitness products are designed and produced using the best quality materials available so that they perform over and over again as you push yourself further.

Outstanding Value

We are committed to providing outstanding value with all of our fitness products with each and every order ensuring that you get value for money and join the Master of Muscle family.

Exceptional Customer Service

Customer service is at the forefront of everything we do, if you have any questions, concerns or would simply like advice on how to improve your training efforts, we are here to help!

Better Than Money Back Guarantee

We are so confident you will love our fitness products that we offer a better than money back guarantee on all purchases if there is an issue with your product for any reason we will REFUND you and SEND YOU A NEW ONE – you can’t ask for better than that!

Fulfilment by Amazon

We use Amazon very impressive and massive fulfillment network to ensure you get your order delivered on time and in perfect condition every time.

FREE Workout Guides

With all of our fitness products we include a relevant training guide written by our fitness experts to ensure you get the best start and the most out of your purchase!

If you have any questions about any part of our promise to you, please contact us today!