The Unique ZS Chair
- Speeds recovery: medical problems, sports injuries.
- Eliminates gravity the main cause of back pain.
- Guarantees perfect posture.
- Most comfortable chair ever.

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Talk to us!
For further information or advice email your phone no. to info@back-shop.com and we will call you back for a chat.
Category Archives: FAQs
How can I eliminate bad posture, the main cause of back pain?
Customer: How can I eliminate bad posture, the main cause of back pain? C.C. (Colm Campbell): I’ve designed this piece of equipment for measuring spinal curvature. C.C.: I put the person sitting in the measuring chair and gently push the spine from it’s original position, as indicated by the dotted line, into the correct sitting [...]
How does bad posture cause back pain?
Customer: How does bad posture cause back pain? Colm Campbell: Take a wooden ruler and bend it. When it’s released it whips back into position so fast you can hardly see it. The reason is that when something rigid is bent stress is built up along its length, and releasing it releases the stress. The [...]
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What causes neck pain?
Customer: What causes neck pain? C.C. (Colm Campbell): If you follow me I’ll show you the way you and ninety nine percent of people sit at an office desk. It’s the reason why the vast majority end up with back pain. (C.C. walks over to a desk, sits on an office chair, and simulates somebody [...]
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Are armrests useful in preventing back pain?
Customer: Are Armrests useful in preventing back pain? C.C. (Colm Campbell): Armrests are extremely important. For two reasons. Firstly, when you are sitting with your elbows properly supported you are taking a considerable amount of weight off your spine and transferring it down your arms. Secondly, in an office situation, when you are keying without [...]
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Can you guarantee that your chairs will resolve my back pain?
Customer: Can you guarantee that your chairs will resolve my back pain? C.C. (Colm Campbell): No. I can’t guarantee anything. Customer: But will the S position get rid of my pain? C.C.: When the chair is used correctly in the majority of cases the result is the relief of pain. Customer: What do you mean [...]
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Should I use a footrest?
Customer: Can a footrest improve my posture? C.C. (Colm Campbell): The height of the average desk is around 27 inches. This means a person of average height must sit quite high in order to work with arms gently sloping downwards to the desk or keyboard. This means sitting with knees considerably below the hips. The [...]
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Should you always sit with your knees way above your hips? Many cars are like this.
Customer: Should you always sit with your knees way above your hips? Many cars are like this. C.C. (Colm Campbell): Sitting with knees too far above the hips reduces the angle between the spine and thighs. Anything below ninety degrees puts tremendous stress on the lower spine and can tweak the sciatic resulting in pain [...]
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I get a lot of pain when driving. Do you do anything for car seats?
Customer: I get a lot of pain when driving. Do you do anything for car seats? C.C. (Colm Campbell): Yes. A car seat mould C.C.: It’s a custom tailored back support that straps around the back of the existing car seat and is made using Spinal System-S. It converts the average badly designed C seat [...]
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What does the medical profession think of what you are doing?
Customer: What does the medical profession think of what you are doing? C.C. (Colm Campbell): Quite a number of my customers are medical doctors. A lot of them refer patients, as do the alternative medical people like chiropractors, osteopaths, and acupuncturists. But they all try out their own particular expertise before applying logic. Customer: What [...]
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Do I have to choose one of the chairs from your catalogue? Can I have a custom made design?
Customer: Do I have to choose one of the chairs from your catalogue? Can I have a custom made design? C.C. (Colm Campbell): We do a range of chairs. The ones you see in front of you are some of the range. If you want a design we are not carrying give us a photo [...]
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What’s the best chair for someone with neck pain?
Customer: What chair do you recommend for my neck pain? C.C. (Colm Campbell): The best type of chair, particularly for you with a neck problem, is a recliner. It’s really three chairs in one. You probably sit upright then, like the majority of men, after a period of time you get uneasy and start shifting [...]
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What’s the best angle to sit at?
Customer: What’s the best angle to sit at to prevent back pain? C.C. (Colm Campbell): It depends on what you are doing. An office chair would be at five degrees back from the vertical (95 degrees) because it’s a working chair. I wouldn’t make you a chair for the home at this rake. It’s too [...]
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Is an operation the right treatment for a slipped disc?