Polyurethane foams (Memory Foam) do not biodegrade, meaning that the mattress would remain unchanged for over 100 years if placed in the ground. However, in 2019, a study revealed that there was still visible mattress off-gassing even after six months of being air-conditioned.

Traditionally, experts believed memory foam and polyurethane foams would degas after around six months. Memory or polyurethane foams tend to off-gas. This causes the foam to bottom out and create pressure points. Memory foam loses resiliency when it’s too hot. This is why most people find memory foam cushions very hot to sit on while not natural latex cushions.

The other difference is that memory foam contours significantly to your body’s shape, which means the cushion traps more heat. Natural latex foam has an open-cell structure, so it sits cool. It can be a problem for people who live in warm climates with a lot of humidity.Ĭlosed-cell foam (like memory foam) also restricts airflow considerably, so it sits hotter than open-cell foam (like natural latex). The cushion can help people with lower back pain feel better because it relieves pressure on their back. Here are some thoughts on memory foam cushions: I was surprised how similar cheap memory foam seat cushions were on Aliexpress from the listing on Amazon! Most memory foam is a petrochemical made from a polymer known as polyurethane, which is commonly found in most cushions, chairs, mattresses, and industrial insulation foams. It goes back to its original shape when you get off the cushion. It’s initially soft and comfortable to sit on. The Best Type of Foam for Your Ergonomic Seat CushionĮrgonomic seat cushions are typically made from memory foam. Softer top layers provide some extra cushioning and can help if you need relief from pressure points on your body, while the firmer base of the back support cushions allows for better support and alignment. I would suggest that you consider many factors that go into determining the comfort level of your back support seat cushion, but two main things to keep in mind when looking for a new one is a softer comfort top layer or not and firmness. Although conforming consistency is the essential factor, comfort layers should never sag excessively where weight is concentrated. Comfort and support -multiple layers will conform closer to the sitter in areas commonly associated with pressure points.Top comfort layer(s) – provide a much-needed cushioning barrier between the users’ body and the support core.Sitting on a high-density foam by itself would be very uncomfortable for most. The support core – usually consists of high-density foam.Here are the key points on the layers of a back support cushion: How important are these layers? Well, they can be the difference between comfortable and uncomfortable sitting.

I recommend purchasing a cushion with at least two layers. However, there are two main types of comfort layers in higher-end back support seat cushions. The majority of back support seat cushions are made from a single piece of foam. When sitting on a chair, your car, or a plane, your bony pressure points should never touch the surface of the seat. Simply put, good ergonomic seat cushions will fit most people’s body types. These designs need to include protection around the bony contact points, such as the tailbone and ischial tuberosities. The Best Type of Foam for Your Ergonomic Seat CushionĮrgonomic Seat Cushions: 3 Key Features Pressure Point Relief.Ergonomic Seat Cushions: 3 Key Features.

Contact me today to learn more about how I can help you. With all of this experience and expertise, I’m confident that I can help you achieve better posture and comfort while sitting. In addition, I ran a successful Kickstarter campaign to fund the development of my latest project, a set of ergonomic seat cushions. I have a published book on the subject of sitting, spoke on this subject on national tv, and I have engineered orthopedic mattresses and pillows. For over 30 years, I’ve been practicing chiropractic, and during that time I’ve also trained as an ergonomist. If you’re looking for help with your posture or comfort while sitting, I’m confident that I can help. Ergonomic seat cushions help you sit in the right position and can prevent these problems. Sitting in one position for an extended period can cause neck and back pain, stiff muscles, and tailbone pain. But do they actually work? Keep reading to find out!Īs a general rule, ergonomic seat cushions are suitable for your back. Ergonomic seat cushions can help to improve your posture and alleviate pain by providing extra support to your lower back and spine. Do you ever experience back or neck pain after sitting in your office chair for long periods of time? If so, you may want to consider using an ergonomic seat cushion.

Spine align cushions