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What Is a Zero Gravity Massage Chair? How It Works and Who It Suits
Nov
MEBy MONKIKA EL, founder of MONKIKA · Updated November 2026 · 6 min read
The short answer
What is a zero gravity massage chair? It is a massage chair that reclines you with your knees bent and your legs raised to about the level of your heart, so your weight spreads across the back of the chair. The name comes from the relaxed posture the body takes in space, which NASA researchers call the neutral body posture: knees and hips bent, arms floating. It does not make you weightless. Most chairs offer one to three recline stages, and the last one is full zero gravity. Many people find it the most restful part of the massage.
“Zero gravity” is printed on almost every massage chair box. It sounds like science fiction, but the idea is simple: a recline that lifts your legs and lets the chair carry your weight. Here is how it works, where the name comes from and who it suits.
What is a zero gravity massage chair, and how does it work?
Press one button and the backrest tips back while the leg rest rises, until your knees are bent and roughly level with your heart. Your weight moves from your seat to your whole back. Most chairs do it in stages, so you can stop halfway. Many stay reclined at the end of the program until you press the button again.
Where the name zero gravity comes from
In weightlessness, the body settles into a relaxed curl. NASA researchers describe this neutral body posture as raised arms, bent knees and hips, and pointed feet (NASA, 2014). Massage chair makers borrowed the name for a reclined position that imitates the bent knees and hips. The chair stays firmly on the floor: there is no weightlessness involved.
What zero gravity feels like
Most people describe it as lying in a hammock with their legs up. The rollers can feel firmer when you recline, because more of your weight rests on the backrest. The leg airbags and foot rollers are easier to enjoy with your legs raised. Getting out takes a moment: wait until the chair is upright again.
Zero gravity massage chair benefits, and the limits
Sellers often say zero gravity takes pressure off the spine and helps you relax. There is little research on zero gravity chairs themselves. For massage in general, the US National Center for Complementary and Integrative Health says massage may be useful for some pain conditions, such as low-back and chronic neck pain (NCCIH). Our honest reading: a zero gravity chair is a very comfortable way to rest with your legs up while you get a massage, not a treatment.
Who a zero gravity massage chair suits
- It suits people who love to put their feet up, people on their feet all day, and anyone who finds an upright massage chair too intense.
- Check the fit: height and weight limits, and room behind and in front of the chair to recline. See how to check the fit.
- Think about getting in and out, especially for older users: the chair must be fully upright first.
The MONKIKA Float zero gravity chair
From our shop
MONKIKA Float zero gravity massage chair
Zero gravity recline in 3 positions, 6 rollers from the neck to the lower back, airbags at the shoulders, arms, calves and feet, heat for the back and calves, foot rollers, Bluetooth. Fits 5’1″ to 6’0″ and up to 180 lb (81 kg).
kr13,426See the Float
Questions
Many people find it comfortable for the back because the chair carries their weight. There is little research on zero gravity chairs themselves. If you have back pain, ask your doctor first and start on gentle settings.
A recliner tips the back and raises a footrest. A zero gravity chair raises the legs higher, with the knees bent at about heart level, so your weight spreads across the whole backrest.
It can be, if the chair fits their height and weight, they can sit down and stand up from it comfortably, and their doctor agrees if they have a health condition.
Follow your chair’s manual. One manufacturer limits sessions to 30 minutes.
No. A zero gravity patio or lounge chair reclines the same way but has no massage; a zero gravity massage chair adds rollers, airbags and often heat.
It is made for sessions, not for the night. Follow the manual and don’t leave it running unattended.
Legs up, back supported.
The MONKIKA Float: full zero gravity, airbags, heat and foot rollers, kr13,426.
Sources
This guide is for general information. It is not medical advice. MONKIKA products are wellness devices for comfort and relaxation, not medical devices, and are not intended to diagnose, treat, cure or prevent any disease. If you have a medical condition, recent injury or surgery, ask a healthcare professional before using heat, cold, compression or massage.
