When there is a lower part, it is referred to as the "lumbar support" , otherwise it's simply the "seat back". There are many names for more specific parts such as "crest rail", "slats", "spindles", etc.
a chair with a high back
My back hurts when I sit on a chair. Would chair cushions help with my back problem?
spine of back part of chair
I had to push back the chair when rising from the table.I was asked to push in the chair to make more room round the table.
yes it can brake your back so you can never sit in a chair ever again!!
maybe 3.5
u sit in a chair sraight with your back against the chair and your back becomes straight if you do it every day
Aeron chairs are the perfect chair for people with back problems. This is also a great office chair to keep you from having back problems.
The Aeron chair is a comfortable chair, it has a mesh back, and is very adjustable. Although it is pricey, it is no doubt it is a very comfortable chair.
In general terms, a chair in Antarctica is called a chair -- in English. It may be known by another term in other languages.
One of the most important things to consider when purchasing lift chair recliners is the number of motors in the chair. Many of the chairs only have one motor. With this type, the back will have to be reclined before the footrest will move. These are typically called either two or three position recliners. Those who want a footrest that moves independently of the back will need to purchase a lift chair with two motors. This type is called an infinite position recliner.
A "Litter" or "Sedan Chair".