→ Posture: the position I hold my body in (at a computer, for example)
→ Ergonomics: the study of my efficiency in the workplace

Side note: Posture is only one variable of my ergonomic practice.
Others include:
– sleep quality
– hydration
– nutrition
– breathwork
All of these are directly related to how good (or bad) my computer posture is.
Computer Posture Key Terms: Part 1
Computer ergonomics doesn’t stop when I leave the office.
It follows me to the gym, the kitchen, even into the bedroom.
Read below to learn how sleep, hydration, nutrition, and breathwork are important parts of my computer ergonomics process.
Computer Ergonomics Variables (other than posture)
Sleep quality
The worse my sleep quality is, the quicker I get tired at my desk the next day, the tighter my muscles get, the quicker my posture suffers. Poor sleep makes my posture fail earlier the next workday.
Hydration
A lack of quality drinking water used to cause excessive muscle tension for me. Repetitive strain is already a bad thing. But repetitive strain when my muscles are already tight, it’s an uphill battle when trying to correct posture.
Nutrition
Spending money on clean foods is an investment in my quality of life and longevity. It also determines my energy level, muscle recovery, and how good my computer posture is.
Breathwork
I used to suffer from chronic shallow breathing throughout my workday (caused by stress and poor posture). I’ve improved my posture by doing breathwork often. It’s helped me decrease stress, increase lung capacity, improve blood flow to soft tissues, and improve my computer posture.
If you like this article, my Computer Posture Newsletter should be very helpful for you.
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Thanks for your interest in computer posture.
Todd Bowen — Computer Posture Correction and Pain-Free Ergonomics: For Office Workers Who Want to Increase Work Productivity