Death by Desk: How Prolonged Sitting Impacts Your Health and What You Can Do About It

June 15, 2026

By Dr. Jennifer Jeschke, PT, DPT

If you spend most of your workday sitting at a desk, you're not alone. Millions of office workers spend hours each day in front of a computer, often without realizing the strain it places on their bodies.

While sitting may seem harmless, prolonged sitting can contribute to neck pain, back pain, shoulder tension, wrist discomfort, reduced circulation, fatigue, and decreased overall physical health. The good news is that many of these issues can be prevented with proper workstation setup, regular movement, and simple ergonomic adjustments.

Why Prolonged Sitting Can Be Problematic

Our bodies were designed to move. When we remain in one position for extended periods, muscles become tight, joints become stiff, and circulation decreases.

Common complaints among desk workers include:

  • Neck pain and stiffness
  • Low back pain
  • Shoulder tension
  • Wrist and hand discomfort
  • Headaches
  • Hip tightness
  • Fatigue and decreased energy
  • Poor posture

Over time, these issues can affect productivity, comfort, and overall quality of life.

Understanding Ergonomics

Ergonomics is the science of designing work environments to fit the individual rather than forcing the individual to adapt to the environment.

Several factors influence how your body responds to desk work:

  • Anthropometrics: People come in different shapes and sizes. A workstation that works well for one person may not be appropriate for another.
  • Biomechanics: The way we position our bodies directly impacts the amount of stress placed on muscles, tendons, ligaments, and joints.
  • Physiology: Age, fitness level, activity level, and overall health influence how well our bodies tolerate prolonged sitting.
  • Psychology: Stress, motivation, work habits, and mindset can all influence posture and movement patterns throughout the workday.

Proper Desk Setup Matters

A properly adjusted workstation can significantly reduce strain on your body.

Chair Height

Your knees should be positioned slightly lower than your hips when seated. This helps reduce hip pressure and encourages a healthier spinal position.

Your feet should remain supported on the floor or on a footrest whenever possible.

Keyboard Position

Your keyboard should be close enough that you do not need to reach for it.

For optimal positioning:

  • Elbows should be slightly greater than 90 degrees
  • Shoulders should remain relaxed
  • Wrists should remain neutral
  • Forearms should stay close to your body

Mouse Placement

Position your mouse at the same height as your keyboard and keep it within easy reach.

An ergonomic mouse may help reduce gripping forces and wrist strain for some individuals.

Monitor Position

One of the most common workstation-related complaints is neck pain.

To maintain a neutral neck position:

  • Place the monitor directly in front of you
  • Position the top of the screen at or slightly below eye level
  • Keep the monitor approximately an arm's length away
  • Maintain a slight chin tuck rather than looking upward

Avoid turning your head repeatedly to view a secondary monitor or reference materials.

Telephone Use

If you frequently talk on the phone while working at a computer, use a headset whenever possible.

Holding a phone between your shoulder and ear can create significant stress on the neck and shoulder muscles.

Support Your Spine

Proper spinal support can help reduce lower back discomfort and improve sitting tolerance.

Consider these guidelines:

  • Sit fully back in your chair
  • Use lumbar support if needed
  • Keep both feet supported
  • Maintain a neutral pelvis
  • Adjust armrests to support relaxed shoulders

A chair should support your thighs without pressing into the back of your knees. Ideally, there should be approximately two finger widths between the seat edge and the back of your knees.

Should You Use a Standing Desk?

Standing desks have become increasingly popular, but standing all day is not necessarily the answer. The key is movement and position changes.

Benefits of Standing Desks

Standing desks may help:

  • Reduce prolonged sitting time
  • Encourage posture changes
  • Increase movement throughout the day
  • Improve comfort for some individuals

Best Practices

When using a standing desk:

  • Maintain the same monitor and keyboard positioning principles used while sitting
  • Alternate regularly between sitting and standing
  • Use an anti-fatigue mat if needed
  • Continue to move throughout the day

Experts often recommend following the 20-8-2 Rule:

  • Sit for 20 minutes
  • Stand for 8 minutes
  • Move for 2 minutes

The goal isn't standing all day—it's avoiding staying in any one position for too long.

Movement Is the Most Important Part

Even the most ergonomic workstation cannot eliminate the effects of prolonged inactivity.

Regular movement throughout the day is essential.

Try incorporating:

  • Position changes
  • Walking breaks
  • Stretching
  • Mobility exercises
  • Strength exercises

A simple rule is to move every 30 minutes whenever possible.

Desk Exercises You Can Do Throughout the Day

Workplace stretches poster

Perform 5-10 repetitions of one or two exercises every 30 minutes.

Some effective options include:

Squats

Help activate the legs and reverse prolonged sitting posture.

Forward Lunges

Promote hip mobility while stretching the hip flexors.

Side Lunges

Encourage lateral movement and improve lower-body mobility.

Heel Raises

Improve circulation and activate the calf muscles.

Chair Dips

Help strengthen the upper body while encouraging movement.

Simple Self-Care Tools for Desk Workers

A few inexpensive tools can help reduce muscle tension and improve mobility.

Massage Ball

Useful for releasing tension in:

  • Shoulders
  • Upper back
  • Feet

Foam Roller

Helps reverse prolonged sitting postures and improve mobility.

Resistance Bands

Great for:

  • Shoulder external rotations
  • Pull-aparts
  • Postural strengthening exercises

These tools can be incorporated into brief movement breaks throughout the workday.

Small Changes Can Make a Big Difference

You don't need a complete office overhaul to improve comfort and reduce aches and pains.

Simple adjustments such as improving monitor height, supporting your posture, taking movement breaks, and performing a few exercises throughout the day can significantly improve how your body feels.

Remember, the goal isn't perfect posture all day long. The goal is regular movement, good workstation habits, and reducing the amount of time spent in any one position.

Experiencing Pain From Desk Work?

If neck pain, back pain, shoulder discomfort, headaches, or stiffness are interfering with your workday, physical therapy may help.

The team at Optimal Physical Therapy helps individuals throughout Lake Mills, Cambridge, Johnson Creek, Fort Atkinson, Jefferson, Watertown, and surrounding communities improve posture, mobility, strength, and overall function so they can feel their best at work and at home.

Call or text 920-648-2400 to schedule an evaluation. No referral is needed.