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It is more important to use an ergonomic chair whenever you can these days than ever before. This is because our bodies were not intended to sit for hours at a time in front of a desk or TV, and yet more and more people are finding themselves doing it.

Sitting continuously for hours puts strain on the muscles in the back and can ultimately cause the body to sustain occupational injuries. The use of an ergonomic chair minimizes the strain that the body undergoes while sitting for extended periods.

However, not all chairs are what they say they are and this is particularly true of ergonomic chairs. Some manufacturers call their products ergonomic chairs just to capture a share in a premium market, where people are suffering from pain caused by strain on the lower back, the neck, the arms, the legs and on the shoulders. A real ergonomic chair is designed to minimize this pain.

So, how can you tell if an ergonomic chair is really an ergonomic chair? A true ergonomic chair has the following elements:

Seat height: An ergonomic chair should be fitted with a mechanism that allows you to adjust its height while you are sitting on it. If your knees are level and your feet are flat on the floor, while you are sitting on the ergonomic chair, it means that its height is correct for you. Also, you should be able to reach the adjusting mechanism of the seat and operate it even if you are sitting down.

Foot rest: Ergonomic chairs do not need a foot rest. If the height of the chair can be altered easily and allow you to place your feet flat on the ground while you are seated, then a foot rest is not essential. However, if your table is too high in relation to your chair and if having your feet flat on the floor means you have to strain your arms, then a foot rest is needed so you can rest your feet comfortably without causing strain to your legs.

Seat pan: The seat pan of your ergonomic chair should be wide enough to fit your hips and thighs without pinching you in any way. It should also be contoured so your weight can be distributed evenly on it. In addition, the seat pan should be long enough to fit your legs. If it is too long, it will hit the back of your knees and stop you from leaning back comfortably.

Seat cushioning: The cushioning of an ergonomic chair should be sufficient for it not to become misshapen after you have been using it for a while. If the cushioning is not deep enough, the seat of the chair can get malformed permanently and it will become uncomfortable for you to sit on after a while. Later on, it will just lead you to experience pain on your back and thighs.

In addition, you should choose seat covers that breathe freely and are easy to clean. Such seat covers will not feel hot and uncomfortable against your thighs after sitting on the chair for a long time. Airy seat covers also mean that they will not be a breeding ground for dust mites.

Back support: The back rest of a good ergonomic chair should be adjustable to fit the curve of your lower back so that it can provide you with lumbar support. This is very important, especially if you will not be the exclusive user of the chair. Moreover, the back rest should be wide and tall enough to support your mid-back and your upper back as well.

Armrests: The armrests of a good ergonomic chair should be contoured to fit the arms, broad enough to provide ample support, and can be adjusted upward and downward as well as inward or outward. The armrests of the ergonomic chair should let the arms and elbows rest naturally, without making you lean forward or lift your shoulders.

Pedestal base: If mobility in your chair is vital to your work, then you should get an ergonomic chair that has a five pedestal base with casters that can let you slide easily over the floor. A five pedestal base will also give enough balance so that the chair will not tip over when you lean back.

Always look for these elements when buying an ergonomic chair for your home or your office. They will prevent your body from receiving injuries brought about by continuous strain to the muscles.

Owen Jones, the writer of this piece, writes on many topics, but is currently involved with the Home Theater Chair. If you are interested in a Home Movie Theatre, please click through to our site now.

The second most important component of a good home theater set-up is its loudspeakers. You simply cannot attain that authentic theater environment, if you do not have good speakers. It goes without saying too, that the amplifier and player must be just as good, because any system is only as good as its weakest part.

However, if you do it right, you can easily reproduce the sound quality achieved in a full size movie theater. Unfortunately though, many people seem to get baffled about which speakers they need, when they go to buy for their home theater in order to create real surround sound.

The minimum requirements for a good set of surround sound speakers are a left and right channel speaker, a centre channel speaker and a sub-woofer. The following are the basic speakers that are required to complete a good home theater: front left and right speakers, a centre channel speaker, surround sound speakers. Sometimes people try to do without the centre channel speaker, but this speaker provides a good proportion of the soundtrack in a lot of movies as well as adding depth to the dialogue.

The surround sound makes the film seem more realistic. It is what makes the difference between watching TV at home and going to the movie theater. The option of having this at home has only recently become reasonably priced. The most frequent systems are: 5.1 channel, 6.1 channel, or 7.1 channel surround sound. The first figure refers to the number of normal loud speakers and the second one to the number of sub-woofers. The amount of speakers that is the best for you, depends on the size and shape of the room you are sitting in. The more is not always the merrier.

The sub-woofer is the cause of the deep bass sound that underscores so many movie soundtracks and these are the sounds that are responsible for heightening the drama in a film. A good sub-woofer is an vital part of your home theater speaker package, if you do not have one, you will miss out on this.

There are many makes on the market and some are cheaper than others, but it is essential that you pick speakers that will work well together. They have to be compatible. If you do not know how to make certain that they are, the best choice for this is to purchase all your speakers together in one kit by one maker. It may be tempting to save money by mixing and trying to match speakers, but if you get it wrong, you will not create the true quality of sound you are hoping to achieve in your home theater.

Some speakers are made to place on the floor and others are made to hang on the wall. Floor standing speakers are the best for home theater, but they also take up the most space and can have wires traipsing everywhere. If this is not a problem to you, then fine, but if it is, you can solve it by getting wireless speakers.

Owen Jones, the author of this article, writes on many subjects, but is currently involved with home theater speaker placement. If you are interested in a Home Movie Theatre, please click through to our site now.