Recovery Insights Blog | Foundational Rehab

The Truth About Sitting

Sitting itself isn't evil. Sitting poorly for long periods without moving—that's the problem.

The goal isn't perfect posture held rigidly all day. It's understanding good positioning and changing positions regularly.

The Basics of Good Sitting Posture

Your Feet

Flat on the floor

Or on a footrest if desk is high

Thighs roughly parallel to floor

Not dangling, not tucked under

Your Hips

Back in the chair (not perched on edge)

Hips at 90-100° angle

Weight distributed evenly

Your Lower Back

Maintain natural curve (slight arch)

Lumbar support helpful

Not slumped or excessively arched

Your Upper Back

Upright but not rigid

Shoulders relaxed, not rounded forward

Not perfectly straight—slight rounding is natural

Your Shoulders

Relaxed, not shrugged

Not pulled back forcefully

Not rounded excessively forward

Your Head

Balanced over shoulders

Not jutting forward

Ears roughly over shoulders

Chin level (not tucked or jutting)

Your Arms

Relaxed at sides

Elbows at about 90° when typing

Forearms supported or relaxed

Common Sitting Mistakes

Perching on Edge

Problem: No back support, spine unsupported

Fix: Sit back in chair, use backrest

Slumping

Problem: Increases disc pressure, strains muscles

Fix: Sit taller, use lumbar support, take breaks

Crossing Legs

Problem: Can create pelvic asymmetry, reduce circulation

Fix: Keep feet flat on floor, switch sides if you must cross

Leaning to One Side

Problem: Asymmetrical loading of spine

Fix: Center yourself, check armrests are even

Forward Head

Problem: Strains neck muscles, common with screen use

Fix: Bring head back over shoulders, check monitor height

The "Perfect Posture" Myth

There's no single perfect posture. The research is clear:

What matters more:

Variety of positions

Regular movement

Not staying in any position too long

What matters less:

Achieving textbook perfect alignment

Holding one position rigidly

Your best posture is your next posture.

Practical Tips

Set Up Your Chair

1. Height: feet flat, thighs parallel to floor

2. Depth: 2-3 fingers behind knee to seat edge

3. Backrest: supporting lower back

4. Armrests: supporting arms without shrugging

Create Reminders

Set timer for posture/movement breaks

Use apps that remind you to move

Associate posture check with common activities

Make It Easy

Good chair matters

Lumbar support if needed

Proper desk height

Strengthen and Stretch

Good posture is easier when muscles are strong and flexible:

Core strength helps maintain posture

Hip flexibility reduces pulling on low back

Upper back strength counters rounding

Movement is the Key

Why Movement Matters More Than Position

No position is good for hours

Movement brings nutrients to discs

Muscles fatigue in static positions

Circulation improves with movement

How Often to Move

Micro-break every 20-30 minutes

Stand, stretch, or walk briefly

Longer break every hour

Easy Movement Ideas

Stand when taking calls

Walk to refill water

Stretch at your desk

Take stairs instead of elevator

Different Situations

Driving

Seat not too reclined

Knees slightly lower than hips

Lumbar support

Hands at 9 and 3 (not 10 and 2)

Stop and stretch on long drives

Couch Sitting

Easy to slump—use pillows

Don't sit for hours without moving

Consider getting up more often

Dining

Sit close to table

Feet on floor

Avoid hunching over plate

Working on Laptop

Worst ergonomic scenario

Elevate screen OR use external keyboard

Don't hunch over for hours

Signs Your Sitting Needs Work

Neck pain

Back stiffness

Headaches

Fatigue

Tingling in arms or hands

Feeling better on days off

Bottom Line

Good sitting posture is:

Supportive but not rigid

Maintained with regular breaks

Varied throughout the day

Supported by strength and flexibility

Don't obsess over perfect posture. Focus on moving regularly, setting up your workspace well, and listening to your body.

The best posture advice? Don't stay in any position too long. Move, stretch, change positions, and your body will handle the rest.

How to Sit Properly: The Complete Guide to Good Sitting Posture