Ironman Gravity 4000 Inversion Table Review

For many an inversion table is a luxury but for anyone dealing with chronic back pain the Ironman Gravity 4000 can really make a huge difference.

The lumbar traction can provide a huge amount of relief to the spine and back, and the reduced pressure of the neck and shoulders on the spine helps to decrease the load on the spine, leading to a pain free life.

The Ironman Gravity 4000 has a vinyl memory foam backrest that conforms to your body making this table a very comfortable option. 

The Gravity 4000 comes with non-skid stabilizers that add extra stability and security to the table, and with the extra long safety bars, you will feel incredibly safe on this table.

Matching Your Experience Level

If this is your first time using a product like this, you might want to limit the inversion to just a few degrees.

Although the full 180 degree range of motion is possible, the Gravity 4000 joins the earlier 3000 model in offering a choice of three starting positions via the pivot arms on either side.

The palm activated ratchet ankle locking system is an advantage over the spring loaded design of the Gravity 1000 and Gravity 3000 models, as it doesn’t require you to bend down as far to release the heel holders.

The 4000 model has also been fitted with a number of subtle safety features, including the double stitched vinyl side panels to protect your hands, and a nylon strap underneath to restrict the inversion angle.

When you combine the choice of three starting positions with the inversion limitations created by this nylon strap, you have an inversion table that’s incredibly stable, strong, and most importantly, safe.

Comfort and Cushioning

The 4000 model is the only inversion table in the Gravity range to offer a lumbar pillow.

Although inversion therapy sessions aren’t required to be particularly long, if you’re uncomfortable for even a few minutes at any inversion angle, it’s going to be remembered as a negative experience.

That’s why to help make sure every session is as comfortable as possible, the Ironman Gravity 4000 features a memory foam back rest.

When we were reviewing the earlier Gravity model, one of the complaints we noticed was that the material covering the foam would tear in a small number of cases.

You’ll be pleased to know that this particular model has replaced the nylon covering with a waterproof vinyl material, that’s also been double-stitched for increased durability.

Even the full length safety handles have been covered in a softer material to reduce the pressure placed on your hands when held.

One final important area in terms of comfort is the heel holders.

These feature ergonomically molded cushioning to reduce the pressure placed on your feet and ankles when you move beyond parallel towards the full inversion.

This is also the only model to include a detachable lumbar pillow for improved lower back cushioning.

Ironman Gravity 4000 Backrest


The Ironman Gravity 4000 support users up to 350 pounds, which is definitely more than most inversion tables on the market today. 

People come in all shapes and sizes, so it’s nice to know that this table can be used by a wide variety of body types.

The table is made from tubular steel and is very sturdy. There are protective, rubber non-skid floor stabilizers, on the bottom of the inversion table which will help protect your floors. 

These non-skid stabilizers will also help to keep the table firmly in place when you are upside down.

Ironman Gravity 4000 Frame


To me, this is one of the most essential parts of any inversion table. 

After all, you will literally be hanging upside down by your ankles. You need a comfortable solution that will protect your ankles, feet and distribute your weight evenly.

This unit has ergonomic ankle cushions that cup the front and backside and provide a secure and comfortable fit. 

Most people have said the padding is adequate. There is no pinch point pressure while you are inverted.

Ankle Locking System


Another super important feature is the extended-release handle. 

This handle provides an easy way to release (or escape) from the table when you are finished. I wish more inversion tables had a longer handle release.

This extended handle makes it so you don’t have to bend over very far to release yourself. From experience, I can tell you this feature is invaluable. 

I have been in situations, recovering from an injury, where I literally couldn’t bend over, so the extended handle is a must in my opinion.

Also, the ratchet locking system allows you to get just the right fit for your ankles, not to tight and not too loose. 

Inverting with the ankle lock too tight is not fun, and if it’s too loose, you feel like you are going to end up on the floor.

Ironman Gravity 4000

Key Features of Ironman Gravity 4000

Ironman Gravity 4000


The Ironman Gravity 4000 is not a feature-rich inversion table, and it doesn’t provide a whole lot of extras; but if you want a solid straightforward inversion table that is easy to use, this table is a great option.

If you are looking for a table that can decompress your spine and help you to alleviate chronic back pain, then this is perfect for you.

In terms of build quality, this table surpasses most other tables in its price range.

It is a comfortable table, and the vinyl memory foam pads make this table a joy to get on.

This inversion table is well built and offers a lot of functionality. 

I really think this table is a good value for the price but also check out the Teeter LX9 and Teeter X3 to make sure you're getting the right table for you.

Very Good

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