What is a zero-gravity chair!

A zero gravity chair (ZGC) is a recliner with an angled back and footrest designed to give the user minimal pressure on their spine during reclining.

This reduces the chance of developing long-term health complications such as herniated discs, osteoporosis, and heart disease.

ZGCs are often used by people who spend extended periods sitting, such as those that work at desk jobs or use wheelchairs.

The main difference between a traditional recliner and a zero gravity chair is that in order for someone to sit up from one, they need to manually lift themselves upright, whereas this action can be done automatically when using a ZGC.

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How Zero Gravity Chair Works

The mechanism that makes this possible relies on two sets of metal bars in the front and back of the chair that complement one another, such as an open book.

When sitting, these bars rest against each other but upon reclining, they slide further apart, allowing for weightless movement from laying down to upright seating.

The metal bars are attached to a motor housed in the base of the chair, which batteries or an AC adapter power.

The motors turn gears that gradually push and pull the two sets of bars apart as someone reclines, allowing for controlled movement back-and-forth.

A ZGC is not limited to only going from lying to sitting. Some models can also rock back and forth as well as tilt from side to side.

Who Invented Them

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The first zero gravity chair was patented by an American inventor named R.M.

Hart on January 17, 1950, under the name ‘recliner’ (filed as patent #2301639).

However, it wasn’t until 1968 that NASA funded research into ZGCs for astronauts during space travel which led to what we know as the zero gravity chair today.

Dr. Harry B Oleson did this research at Minneapolis’s Mayo Clinic, which invented a mechanism that is still used in most ZGCs to this day called ‘multi-position infinite recline’ (MPIR).

Today, his patent for it holds over 50 US patents and has been licensed to many manufacturers.

Dr. Oleson’s research and inventions were also crucial in developing other health-related devices such as lift chairs, wheelchair cushions, and beds with a headboard that automatically raises up for people who cannot get out of bed.

Where Are They Sold

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The ZGC can be found in many locations such as doctors’ offices, medical supply stores, and online.

Some models are even sold at big-name retailers like Amazon, Walmart, Costco, Sam’s Club, Target, Kohl’s Home Goods Store, etc.

Many companies sell the same model of chairs but may have different names for them. For example, some companies call their version of a ZGC simply ‘zero gravity recliner,’ whereas others have multiple names for the same chair, such as ‘space-age zero-gravity design’ or ‘advanced ergonomic comfort.’

There are also different versions of this type of chair that sit at various angles. Some examples include the ‘space saver recliner,’ which leans back a further 70 degrees, and the ‘memory foam zero gravity chair,’ which has a memory foam seat.

Why Are They So Expensive

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Although ZGCs are typically more expensive than traditional recliners, they tend to last much longer.

This is because manufacturers of this type of chair use high-quality materials and make many models with an AC Adapter which allows for the motor to be powered by batteries when people leave home or go on vacation.

Many companies also offer a lifetime warranty on their chairs.

ZGCs can cost anywhere from $300-$700 depending on the features and brand you choose to buy.

Some models even have a sleep function that allows people to recline all the way back in order to take naps without waking up completely laid out, which can be useful for those who suffer from apnea.

Benefits Of Using One

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ZGCs offer the benefits of a recliner and massage chair all in one.

Along with napping, ZGCs can also be used for medical purposes such as improving circulation, which often comes up during research on this type of chair.

This benefit makes them great for people who have to sit or stand at work for a long time or those who suffer from conditions such as arthritis and loss of muscle tone.

Owners can use their ZGC every day to help them relax, relieve tension and take a break from the demands of daily life.

The zero gravity recliner is also beneficial for pregnant women because it allows mothers-to-be to lay down without putting pressure on their backs which can be quite painful.

The ZGC is also great for people with mobility issues due to injuries or conditions such as back pain, sciatica nerve problems, arthritis, and fibromyalgia because the chair supports all of these areas.

It’s important to note that some models are not recommended for people who have glaucoma or who are prone to dizziness.

ZGCs also provide relief for those with migraines and cluster headaches since the chair allows them to recline at a 90-degree angle which is crucial in relieving pain from these conditions.

Some models even come equipped with an AC Adapter that lets users plug it in at their homes which is great for older people who can’t lift heavy objects or those with injuries like broken bones.

Many owners also use ZGCs to stretch out sore muscles after workouts, dance classes, and other physically challenging activities.

This type of chair makes it easier for exercisers to relax and stretch their muscles completely without worrying about pressure or pain from incorrect positioning.

ZGCs are also beneficial for people who suffer from symptoms associated with anxiety such as insomnia, fatigue, headaches, and digestive problems because the recliner allows them to relax in a position that’s comfortable for them while still being upright enough so they can breathe easily, which can be difficult to do while lying down.

Can You Make Your Own At Home

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ZGCs are not designed to be used at home and may break if you try.

They require a licensed electrician to install receptacles, AC Adapters, and special wiring in order for them to work properly.

People who buy ZGCs should only plan on using them in the comfort of their own homes or while they’re away from home on vacation or a business trip.

In spite of their benefits, some people simply prefer the traditional recliner overusing ZGCs because it offers more support and is easier to sit in for long periods of time without needing any special features, which can be difficult to find with this type of chair.

While you may not be able to make your own ZGC at home, you can create a DIY version of it by buying an inexpensive chair and adding features such as AC adapters and work tables which will allow you to use the recliner in multiple ways.

The DIY method is a great way for people to customize their ZGCs without paying full price, which isn’t necessary since you’re only purchasing the chair itself; however, buyers must remember that if they choose this route, then any warranty on these products will be voided.

You can also purchase a ZGC that has AC Adapters and other features already included, so you don’t have to go through the trouble of adding them yourself, which is something many people find appealing about this type of chair.


Is it truly worth the money to buy a zero-gravity chair?

The zero gravity chair is a fantastic way to sit, and it can aid recovery. The zero gravity chair can help reduce any swelling in your feet or legs.

You will have much better circulation if your legs are higher than your heart, and you will do everything possible to decrease the edema.

Can you rest in a zero gravity chair while lying down?

No, it does not sit completely flat.

I wouldn’t advise lying on your stomach in this chair because it doesn’t stay in place.

Is zero-gravity massage chair technology real?

You may recline back to the neutral body position in a zero gravity massage chair.

Other health advantages of zero gravity massage chairs that make them superior to traditional massage seats include:

  • Improved blood circulation.
  • Lessening pressure on the heart.
  • Aiding in better sleep quality.

What is the distinction between a zero-g chair and a recliner?

The body is positioned in a standard recliner so that the pressure is focused on the lower back and pelvic region.

Reclining in a zero gravity chair spreads the weight evenly across your body.

Pressure is lowered on the spine and sciatic nerve system thanks to this posture.