Dr. Nevin Saju
Doctor of Physical Therapy
Let's be honest: Your job is slowly destroying your body.
Not because you're doing anything wrong. But because the human body wasn't designed to sit in a chair for 8+ hours a day, staring at a screen, with your arms in the same position.
The result? Neck pain. Back pain. Shoulder tension. Hip tightness. Maybe some numbness in your hands. Sound familiar?
Here's the good news: You don't need to quit your job or buy a $2,000 standing desk. You just need to understand what sitting does to your body and how to counteract it.
Let me show you how.
Your body adapts to what you do most often. If you sit all day, you're training your body to be good at sitting—and terrible at everything else.
— Dr. Nevin Saju, DPT
What Sitting All Day Does to Your Body
When you sit for extended periods, several things happen—none of them good:
Your Hip Flexors Get Tight
Sitting keeps your hips in a flexed position for hours. Your hip flexors adapt to this by shortening.
When you stand up or try to exercise, these tight hip flexors pull on your pelvis, causing your low back to arch excessively. This leads to back pain and makes it harder to engage your core properly.
The kicker: Stretching alone won't fix this. You need to retrain your body to use proper hip mechanics.
Your Glutes Stop Working
Sitting on your glutes all day essentially turns them off. Your nervous system learns that these muscles aren't needed.
This is called "gluteal amnesia," and it's incredibly common in desk workers.
When your glutes don't work properly, other muscles (like your low back and hamstrings) have to compensate. This leads to pain, tightness, and increased injury risk.
Your Thoracic Spine Gets Stuck
Sitting, especially at a computer, puts your mid-back in a rounded position. Over time, this position becomes your new "normal."
A stiff thoracic spine affects everything: • Limits shoulder mobility (hello, shoulder pain) • Increases neck strain (hello, headaches) • Reduces breathing efficiency (hello, fatigue) • Decreases athletic performance
Your Neck Juts Forward
For every inch your head moves forward from neutral, it adds 10 pounds of force on your neck muscles.
Most desk workers have 2-3 inches of forward head posture. That's 20-30 extra pounds of constant strain.
No wonder you have neck pain and headaches.
The Solution: Movement, Not Equipment
I'm not against standing desks or ergonomic chairs. They can help. But they're not the solution. The real solution is movement. Specifically, frequent, varied movement throughout your day.
The 50/10 Rule
For every 50 minutes of sitting, take a 10-minute movement break.
Not a coffee break where you sit somewhere else. An actual movement break where you: • Walk around • Do some basic stretches • Perform mobility exercises • Change positions
This simple habit can prevent most desk-related pain.
Micro-Movements Throughout the Day
Even during your sitting time, you can incorporate micro-movements:
Every 20 minutes: • Roll your shoulders back 10 times • Do 10 neck rotations (each direction) • Stand up and sit back down (yes, really)
Every hour: • Walk to the bathroom (even if you don't need to) • Do 10 bodyweight squats • Stretch your hip flexors for 30 seconds each side
These small movements add up. They prevent your body from "setting" into poor positions.
The Essential Desk Worker Exercises
These five exercises counteract the most common desk-related issues. Do them daily:
1. Hip Flexor Stretch (But Do It Right)
Most people stretch their hip flexors wrong. Here's the right way:
• Half-kneeling position (one knee down, one foot forward) • Squeeze your glute on the kneeling side • Tuck your pelvis under (posterior pelvic tilt) • Lean forward slightly • Hold 60 seconds each side
The key is the glute squeeze and pelvic tilt. Without these, you're just arching your back, not actually stretching the hip flexor.
2. Thoracic Extension Over Chair
• Sit in a chair with your hands behind your head • Keep your low back still • Extend your mid-back over the chair • Hold 5 seconds, repeat 10 times
Do this 2-3 times per day. It directly counteracts the rounded posture from sitting.
3. Chin Tucks
• Sit or stand tall • Keep your eyes level • Pull your chin straight back (like making a double chin) • Hold 5 seconds, repeat 10 times
This strengthens the deep neck flexors and counteracts forward head posture.
4. Glute Bridges
• Lie on your back, knees bent, feet flat • Squeeze your glutes and lift your hips • Hold 5 seconds at the top • Lower slowly • Repeat 15-20 times
This "wakes up" your glutes and reminds your nervous system they exist.
5. Wall Angels
• Stand with your back against a wall • Arms at 90 degrees (like a goal post) • Keep your low back, upper back, and arms against the wall • Slowly raise and lower your arms • Repeat 10 times
This improves shoulder mobility and thoracic extension while strengthening proper posture.
Ergonomics That Actually Matter
Yes, your desk setup matters. But not as much as you think. Here are the essentials:
Monitor Height
Your monitor should be at eye level when you're sitting with good posture. Not when you're slouched.
If your monitor is too low, you'll crane your neck forward. Use books or a monitor stand to raise it.
Keyboard and Mouse Position
Your elbows should be at about 90 degrees when typing. Your wrists should be neutral (not bent up or down).
If you're reaching forward for your keyboard or mouse, you're setting yourself up for shoulder and neck pain.
Chair Height
Your feet should be flat on the floor (or on a footrest). Your hips should be slightly higher than your knees.
This position makes it easier to maintain good posture and reduces stress on your low back.
The Bottom Line
Desk work doesn't have to mean chronic pain. But it does require intentional effort to counteract the effects of prolonged sitting.
The good news? Small, consistent actions make a huge difference. You don't need to overhaul your entire life or spend thousands on equipment.
Just move more, move often, and do the right exercises to counteract the positions you're stuck in all day.
If you're already dealing with pain from desk work, don't wait for it to get worse. Book a free discovery call and we'll create a personalized plan to get you pain-free and keep you that way.
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