Pain in your back, neck or shoulders? Then you might be sitting incorrectly – and you're not alone: Over 27 million Germans suffered from sitting-related complaints in 2024.
The solution? A proven ergonomic office chair . It adapts to your body, protects your spine, and makes working for hours healthier.
This guide will show you which 8 criteria really matter – based on standards, studies and practical experience.

seat height
A proven ergonomic office chair adapts to you – not the other way around. Height adjustment is the first and most important step. Only when your feet are flat on the floor, your knees are bent at a 90° angle, and your thighs slope slightly forward is a pressure-relieving posture possible.
Practical tip: The ideal seat height is usually between 42 and 55 cm – look for a smooth-running gas spring for stepless adjustment.
📌 Standard note: According to DIN EN 1335, individually adjustable seat height is mandatory for work chairs.
seat depth
A common mistake: The seat is too deep – or too short. A proven ergonomic chair therefore offers an adjustable seat depth, ideally between 38 and 50 cm. There should be three to four finger widths of space between the edge of the seat and the back of the knee.
Even better: A seat tilt between -5° and +5°. Why? It opens up the hip angle, relieves the back muscles, and supports dynamic sitting.

backrest
A good office chair can be recognized by its backrest – especially the lumbar support. This targeted support in the lower back area ensures that your spine maintains its natural S-curve.
🔬 Proven Fact: A study by the Technical University of Munich showed that a correctly adjusted lumbar support can reduce the risk of chronic back pain by up to 66%.
Make sure that:
- the backrest is height-adjustable,
- the depth of the lumbar support can be adjusted,
- breathable material is used.
armrests
Your arms should rest loosely while typing – not suspended, not pressed down. That's why you need 4D armrests: adjustable in height, width, depth, and swivel angle. This noticeably relieves strain on your shoulders, neck, and wrists – every day.
💡 Proven Insight: If armrests are permanently incorrectly adjusted, the risk of neck tension and headaches increases significantly.

Seat mechanism
Static sitting is a thing of the past. Modern, proven ergonomic chairs offer a synchronous mechanism where the backrest and seat move in a coordinated manner. This keeps your back moving without you having to constantly get up.
Even better options: 3D mechanisms such as Dondola technology or Sitness systems, which also allow lateral movements.
📊 Proven effect: Studies show a reduction in back pain of up to 97% with regular use of dynamic seating mechanisms.
headrest
Especially during long periods of sitting or frequent leaning back, a height- and angle-adjustable head or neck support is invaluable. It supports the weight of your head – and thus about 5–6 kilograms that would otherwise rest on your cervical vertebrae.
👥 Proven advantage: Especially helpful for people who talk on the phone, read, or sit still for long periods – such as project managers, copywriters, or developers.

Materials you want to sit on
Breathable fabrics, pollutant-tested upholstery, abrasion-resistant covers – these are not optional extras, but mandatory features of a proven ergonomic chair.
Things you should pay attention to:
- Cushion density: ≥ 40 kg/m³
- Covers: at least 100,000 abrasion cycles (Martindale)
- Certifications: OEKO-TEX®, GS, TÜV Ergonomics
✨ Your back will thank you – as will your skin and your concentration.

Casters & Base
What good is the best seating comfort if the chair wobbles or tips over? A stable 5-star base, ideally made of aluminum, ensures a secure stand – even when moving.
Role tip:
- Hard casters for carpet
- Soft casters for parquet, laminate, tiles
- Braked casters = more safety when changing positions
🛡️ Proven Detail: Safety starts at the bottom. Look for the GS mark for tested stability and roller quality.
Conclusion
A proven ergonomic office chair is not a luxury, but a health-promoting necessity – especially if you spend many hours sitting every day.
Our recommendation: Before you buy, try different models, read independent tests, pay attention to certificates – and invest in yourself.
👉 Learn more at sihoo.de
FAQs
How can I recognize a high-quality ergonomic office chair?
Adaptability is crucial: A good chair offers adjustable seat height, seat depth, a backrest with lumbar support, 4D armrests, and a synchronous mechanism. Additionally, look for certified quality seals such as TÜV, GS, or OEKO-TEX.
What mistakes should I avoid when buying an office chair?
Common mistakes include focusing on appearance rather than ergonomics, not testing the seat beforehand, ignoring certifications, or underestimating the importance of armrests and seat mechanisms. Invest in function – not just design.
Is an ergonomic office chair also useful for a home office?
Yes, especially when working from home, people often skimp on equipment – even though they spend just as much time sitting there. An ergonomic chair prevents postural problems and increases concentration and well-being, even in your home office.
