← Resources Ergonomics in the Office
Dr. Kirath Sidhu · ASP Medical
🪑

Interactive Health Education

Ergonomics in the Office

Your desk shouldn't be the reason you're in pain. Learn the principles of ergonomics, set up your workstation right, and pick up habits that keep your body moving.

5,000
Keystrokes per hour
8+
Hours sitting daily
80%
Office workers with back pain

The 5 Ergonomic Principles

Why does your body hurt?

Awkward or Static Posture

Leaning forward to see the screen. Hunching your shoulders while typing. Staying frozen in one position because you're "focused."

The result? Reduced blood circulation, muscle fatigue, and joint stiffness — damage that builds up hour by hour.

🩸
Reduced Circulation
😩
Muscle Fatigue
🦴
Joint Stiffness

Repetitive Motion

The average office worker makes 2,000–5,000 keystrokes per hour and 600–800 mouse clicks per hour. Add constantly adjusting your headset and chair, and the wear accumulates.

⌨️

Tendonitis

Inflammation from repeated strain on tendons

🖱️

Arthritis

Long-term wear and tear on joints and muscles

Forceful Exertion

Gripping the mouse too tightly without realising. Pounding the keyboard when frustrated. Dragging furniture to reposition your desk.

These put excess strain on small muscles, causing micro-injuries and muscle sprains.

Contact Stress

Wrists pressed against the desk edge. Elbows leaning on a hard armrest. A tight headset digging in.

Sustained pressure on soft tissues compresses nerves and blood vessels, leading to numbness, tingling, and pain.

Environmental Stress

It's not just your posture — your surroundings matter too.

💡
Glare & Poor Lighting
Causes eye strain and dryness
❄️
AC Blowing at Face
Dry skin, dry lips, discomfort
🔊
Noisy Workspace
Mental stress and fatigue

Get It Right

Your workstation setup

Chair Setup

💺

Back Fully Supported

Lumbar support should match the curve of your lower back

🦵

Knees at 90°

Thighs parallel to the floor, feet flat on the ground

💪

Elbows Supported

Armrests should lightly support your elbows — not push them up

🦶

Feet Flat

Use a footrest if your feet don't reach the floor

Monitor Setup

📏

One Arm Length Away

Extend your arm — your fingertips should just touch the screen

👁️

Eye Level

Top of screen at or just below eye level to avoid neck strain

🖥️

Primary Monitor in Front

Don't twist your neck to look at your main screen

📐

Secondary Angled

If using two monitors, angle the secondary slightly toward you

Keyboard, Mouse & Headset

⌨️

Keyboard Close to Body

Elbows at your sides, wrists straight — not reaching forward

🖱️

Wrist Rest

Support wrists when pausing — not while actively typing

🎧

Headset Over Phones

Avoid cradling a phone between ear and shoulder

📡

Wireless if Possible

Freedom to move without being tethered to your desk

✅ Workstation Setup Checklist

How does your current setup score? Tick everything that's right at your desk.

0 / 10
Tick the items above to see your score.

Build Better Habits

Small routines, big difference

The 20-20-20 Rule

Every 20 minutes → Look 20 feet away → For 20 seconds

This simple habit prevents eye strain and gives your focusing muscles a break. Set a gentle reminder on your phone or computer.

Microbreaks — Every 30 Minutes

  • ⏱️ Every 30 minutes — pause what you're doing
  • 🙆 Stretch neck and shoulders — gentle rolls and tilts
  • 🤲 Shake out your hands — release tension from typing

These micro-breaks don't need to be long — even 30 seconds of movement resets your muscles and circulation.

Vary Your Posture

  • ↔️ Shift your weight — alternate sides
  • 🔄 Alternate leaning back and upright — your chair recline is there for a reason
  • 🧍 Sit/Stand swap every hour — if you have a standing desk, use it

Hydration & Movement

  • 💧 Drink water regularly — dehydration contributes to fatigue and headaches
  • 🚶 Get up and walk — to the pantry, the bathroom, a colleague's desk

Pro tip: Use a smaller water bottle so you have to get up to refill it more often — forced movement breaks.

Quick Fixes

Common issues & how to fix them

Neck Pain

  • 🖥️ Adjust monitor height — top of screen at eye level
  • 😌 Relax your shoulders — drop them down from your ears
  • 🧘 Chin tucks + gentle rotation — stretches the cervical spine

Lower Back Pain

  • 🪑 Use lumbar support — a cushion or built-in chair support
  • 🧍 Avoid slouching — sit with your back against the chair
  • 🧘 Seated hip stretches — ankle on opposite knee, lean forward gently

Wrist Pain

  • 🖱️ Relaxed mouse grip — don't clench
  • 🤚 Neutral wrist position — not bent up or down
  • ⌨️ Keep keyboard close — don't reach forward

Eye Strain

  • 🔅 Reduce screen glare — position screen away from windows
  • 🔤 Increase font size — if you're squinting, it's too small
  • 👁️ Take regular breaks — the 20-20-20 rule

Move at Your Desk

Quick exercises you can do right now

🦵 Seated Leg Raise

Sit up straight. Lift one leg off the floor, keeping it extended. Hold for a few seconds and lower. Repeat with the other leg. Improves blood circulation in your legs.
15s

🦶 Ankle Circles

Feet flat on the floor. Lift one foot slightly. Rotate your ankle clockwise, then counter-clockwise. Repeat with the other ankle. Prevents blood clots and improves flexibility.
20s

🙆 Neck Stretches

Sit up straight. Slowly tilt your head to one side, bringing ear toward shoulder. Hold. Repeat on the other side. Relieves tension in neck and shoulders.
15s

🤷 Shoulder Rolls

Sit or stand up straight. Roll shoulders forward in a circular motion for 10–15 seconds, then reverse. Relieves tension and improves shoulder mobility.
15s

🤚 Wrist Stretch

Extend one arm straight out, palm down. Use the other hand to gently bend fingers downward. Hold. Flip palm up and pull fingers back. Repeat with the other hand.
20s

🔄 Torso Twist

Sit up straight, feet flat. Hold the armrests or back of your chair. Gently twist your torso to one side, looking over your shoulder. Hold. Twist to the other side.
15s

🌬️ Deep Breathing

Inhale deeply through your nose for 4 counts. Hold for 5 counts. Exhale slowly through your mouth for 6 counts. Repeat for a few minutes to reduce stress.
60s

Test Yourself

How much did you learn?
1. How far should your monitor be from your eyes?
A As close as possible
B One arm's length away
C Two arm's lengths away
D It doesn't matter
One arm's length is the ideal distance — close enough to read comfortably, far enough to reduce eye strain. The top of the screen should be at or just below eye level.
2. What is the 20-20-20 rule?
A Work 20 hours, rest 20 hours, repeat 20 times
B Every 20 min, look 20 feet away, for 20 seconds
C Take 20 steps every 20 minutes for 20 days
D Blink 20 times every 20 minutes
Every 20 minutes, look at something 20 feet away for 20 seconds. This relaxes the focusing muscles in your eyes and helps prevent digital eye strain.
3. Which of these is NOT one of the 5 ergonomic principles?
A Repetitive motion
B Contact stress
C Keyboard speed
D Environmental stress
The 5 ergonomic principles are: Awkward/Static Posture, Repetitive Motion, Forceful Exertion, Contact Stress, and Environmental Stress. Keyboard speed isn't one of them — though typing too fast without breaks does contribute to repetitive motion injury.