Ergonomics & Movement

Musculoskeletal disorders are the most common work-related injury in Australia, accounting for over 22,000 serious workers' compensation claims each year. The majority of these stem from poorly configured workstations and prolonged static postures. But ergonomics is not just about avoiding injury. It is about building a workspace that supports your focus, your comfort, and the way you naturally move throughout the day.

At Chair Dinkum, we have spent years helping Australian businesses and home offices get this right. This guide distils what we know into practical, evidence-based advice you can apply today, whether you are fitting out a corporate floor or upgrading your home study.

Why ergonomics matters

The average Australian office worker spends over 75% of their working hours seated. That is roughly six hours per day in a single posture. Without proper support, this leads to lower back pain, neck strain, shoulder tension, and repetitive stress injuries in the wrists and forearms.

Beyond injury prevention, a well-designed workspace improves concentration, reduces fatigue, and increases output. Research consistently shows that workers in ergonomically optimised environments report higher job satisfaction and fewer sick days. The return on investment is not abstract: it shows up in reduced absenteeism, fewer injury claims, and better work quality.

1. Start with the chair

Your chair is the single most important piece of furniture in your workspace. It determines your spinal alignment, your hip angle, your circulation, and ultimately how long you can work comfortably before fatigue sets in.

A genuine ergonomic chair is not simply a padded seat with armrests. It is an engineered system that adapts to your body and supports dynamic movement. Here is what to look for:

  • Adjustable seat height: Your feet should rest flat on the floor with your knees at approximately 90 degrees. If the chair cannot go low enough, you need a footrest.
  • Lumbar support: The chair must follow and support the natural inward curve of your lower spine. Adjustable depth and height of lumbar support is ideal.
  • Seat depth adjustment: There should be a two-to-three finger gap between the back of your knees and the front edge of the seat pan.
  • Recline mechanism: A synchronised tilt allows the backrest and seat to move together, keeping your spine supported as you shift posture throughout the day.
  • Breathable material: Mesh backrests prevent heat build-up during long sessions, which is particularly relevant in Australian climates.

Our recommendations

The Herman Miller Aeron remains the benchmark for task seating. It comes in three sizes (A, B, and C) so you can match the chair to your body rather than compromising with a one-size-fits-all approach. For a detailed breakdown, see our guide to Aeron sizes explained.

If you prefer a chair that requires zero manual adjustment, the Herman Miller Cosm uses auto-harmonic tilt to adapt to your weight and posture automatically.

For those who want to break free of conventional seating entirely, the HÅG Capisco saddle chair encourages constant micro-movements and allows you to sit forwards, backwards, or perched at a higher position. It pairs exceptionally well with a sit-stand desk.

Browse our full range: Ergonomic Task Chairs | Executive Chairs

Further reading: Best Ergonomic Office Chairs Australia 2026 | How to Choose an Ergonomic Task Chair

2. Desk height and posture alignment

Once your chair is correctly set, your desk must align with your seated posture. When sitting with your back supported and feet flat, your elbows should rest at a 90-degree angle with your forearms parallel to the desk surface. Your wrists should be straight, not angled up or down.

If your desk is a fixed height and sits too high, raise your chair to achieve the correct elbow angle, then add a footrest to support your feet. If the desk is too low (less common), desk risers or a new height-adjustable desk is the solution.

For maximum flexibility, an electric sit-stand desk lets you switch between sitting and standing throughout the day, which we cover in detail below.

3. Monitor position

Incorrect monitor placement is the leading cause of neck and shoulder pain in office workers. The rules are straightforward:

  • Distance: Position the screen roughly an arm's length away (50 to 70 cm).
  • Height: The top third of the screen should sit at or just below your natural eye level. You should be able to read the centre of the screen without tilting your head.
  • Angle: Tilt the screen back slightly (10 to 20 degrees) so the viewing angle is perpendicular to your line of sight.
  • Dual monitors: If you use two screens equally, centre the gap between them directly in front of you. If one is primary, place it directly ahead and angle the secondary to the side.

Standard monitor stands rarely provide enough height or depth adjustment. A dedicated monitor arm solves this completely, and also frees up valuable desk space.

Our recommendations

The CBS Flo Single Monitor Arm is our most popular choice for its smooth, spring-assisted movement and clean aesthetic. For dual-screen setups, the CBS Flo Dual handles two monitors up to 27 inches each. If you run heavier or ultrawide displays, the Humanscale M8.1 supports up to 12.7 kg per arm.

Browse the full range: Monitor Arms

Further reading: How to Choose the Right Monitor Arm | CBS Flo vs Ollin Comparison

4. Keyboard and mouse placement

Your keyboard and mouse should be positioned so your wrists remain straight and your hands sit at or slightly below elbow level. Avoid resting your wrists on hard desk edges while typing, as this compresses the carpal tunnel and can lead to nerve irritation over time.

Keep the mouse as close to the keyboard as possible. Reaching out to the side strains the shoulder and rotator cuff. If you do not use the number pad frequently, a compact (tenkeyless) keyboard brings the mouse closer to your centre line.

Keyboard tilt should be neutral or slightly negative (front edge higher than back). The old advice of tilting keyboards up with rear feet is outdated and forces your wrists into extension.

5. Movement and active sitting

Even with a perfectly configured workstation, sitting still for eight hours is harmful. The human body is built for movement. Prolonged static posture reduces blood flow, slows metabolism, compresses spinal discs, and fatigues stabilising muscles.

The solution is not simply standing all day (which creates its own problems). The solution is variation: changing posture frequently, incorporating micro-movements, and breaking up long sitting periods with standing and walking.

Active sitting

Active sitting means using a chair that allows and encourages subtle movement while you work. Rather than locking you into one position, these chairs let you shift, lean, rock, and adjust continuously. This keeps your core engaged, maintains blood flow, and reduces the compressive load on your spine.

The HÅG Capisco is the definitive active sitting chair. Its saddle seat and compact backrest allow you to sit in multiple orientations: conventional, reversed (straddling the seat), perched at height, or leaning to one side. The HÅG Tion offers a more conventional look with the same movement philosophy built in.

Further reading: What is Active Sitting? | Complete Guide to HÅG Chairs

The sit-stand approach

A sit-stand desk gives you the freedom to alternate between sitting and standing throughout the day. The commonly recommended ratio is 20 minutes sitting, 8 minutes standing, and 2 minutes moving for every half hour. In practice, listen to your body: when you feel stiff or restless, change position.

When standing, adjust the desk so your elbows remain at 90 degrees. Raise your monitor to standing eye level (this is where a monitor arm really proves its worth, as you can reposition the screen in seconds). Wear supportive footwear and consider an anti-fatigue mat.

Further reading: How to Choose a Sit-Stand Desk in Australia

6. Lighting and screen glare

Poor lighting causes eye strain, headaches, and fatigue. Position your monitor perpendicular to windows (not facing them or with your back to them) to minimise glare. Use blinds or curtains to control direct sunlight.

Overhead lighting should be diffused rather than harsh. If your office uses fluorescent panels directly above your desk, a task lamp with adjustable brightness gives you better control over your immediate workspace. Set your monitor brightness to roughly match the ambient light level in the room.

7. Acoustic environment

Ergonomics extends beyond physical posture. Cognitive ergonomics addresses mental workload, concentration, and stress. In open-plan offices, noise is consistently ranked as the number one source of distraction and dissatisfaction.

If you are designing or managing a shared workspace, acoustic management is essential. Options range from sound-absorbing panels and white noise systems to dedicated quiet spaces.

For focused individual work and confidential calls, soundproof office pods provide a self-contained acoustic environment. The Framery One is purpose-built for single-person focus, with Class A acoustics, integrated ventilation, and smart occupancy sensing. For small meetings of up to four people, the Framery Four offers the same acoustic performance in a larger format.

Further reading: The Complete Guide to Soundproof Office Booths | Are Framery Pods Worth It?

8. Building healthy habits

The best equipment in the world cannot compensate for poor habits. Here are practical routines to build into your workday:

  • The 20-20-20 rule: Every 20 minutes, look at something 20 feet (6 metres) away for 20 seconds. This reduces eye strain from prolonged screen focus.
  • Micro-breaks: Every 30 to 45 minutes, stand up, stretch, or walk for one to two minutes. Set a timer if needed.
  • Posture resets: When you notice yourself slumping, sit back into your lumbar support, drop your shoulders, and relax your jaw.
  • Hydration: Keep water at your desk. Staying hydrated naturally forces regular breaks (you will need to refill and visit the bathroom).
  • Walking meetings: For one-on-one discussions that do not require a screen, take them on foot.

Frequently asked questions

How much should I spend on an ergonomic chair?

A quality ergonomic chair is an investment in your health and productivity. For daily use (8+ hours), expect to spend between $800 and $2,500 AUD for a chair that will last 10 to 15 years. Cheaper chairs often lack the adjustment range and build quality needed for long-term comfort. Our task chair collection covers options across this range.

Is a standing desk better than sitting?

Neither standing nor sitting is inherently better. The key is alternating between postures throughout the day. A sit-stand desk gives you that flexibility. Standing all day can cause lower back pain and leg fatigue, just as sitting all day causes its own problems. Aim for variety.

Do I need a monitor arm?

If your monitor is not at the correct height, or if you frequently switch between sitting and standing, a monitor arm is one of the most impactful upgrades you can make. It also clears desk clutter and allows you to push the screen back when you need more workspace.

What is the best chair for someone with back pain?

This depends on the nature of the pain. For lower back issues, a chair with strong adjustable lumbar support like the Herman Miller Aeron or Humanscale Freedom is typically recommended. For those who find conventional chairs uncomfortable regardless of adjustments, the HÅG Capisco offers a completely different sitting posture that many people with chronic back pain find relieving.

How often should I change posture?

At minimum, every 30 minutes. Ideally, you are making small adjustments continuously (which is why active sitting chairs are so effective). If you use a sit-stand desk, alternate between sitting and standing every 20 to 40 minutes based on comfort.

Australian workplace obligations

Under the Work Health and Safety Act, Australian employers have a duty of care to provide a safe working environment. This includes workstation setup. Safe Work Australia's guidelines on computer-based work outline specific requirements for seating, desk configuration, and break schedules.

For businesses fitting out offices, investing in proper ergonomic furniture is not optional: it is a compliance requirement and a risk management strategy. The cost of a quality chair is a fraction of a single workers' compensation claim for a musculoskeletal injury.

Where to start

If you are unsure which products suit your specific situation, we are here to help. Call us on 02 9640 0642, visit our Sydney showroom to try chairs in person, or browse our collections below.

Shop Ergonomic Chairs Shop Monitor Arms Shop Sit-Stand Desks