Do you use a computer? Do you know how to prevent Musculoskeletal disorders (MSD)?

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Musculoskeletal disorders are caused by continuously using the same muscle groups or when our posture is incorrect or stay in the same posture for long time. MSD are seen in various types of discomfort, pain and other unpleasant sensations in the muscles.

We are team of science in Technical and Medical university in Varna, Bulgaria. We are doing a research to collect data and to evaluation the people's habits for moving or sedentary way of work while using a computer.

In the end of the questionnaire you can rate the safety grade of your working space and risks for MSD, if you calculate points at the end of answers.

Human evolution. Are we back to the beginning or are we going in a circle?

1. What kind of computer are you using the longest time (including the time for work, fun, etc.)? *

PC (personal computer) (1 point);

PC and laptop (2 points);

Laptop (3 points).

2. How many hours are you using a computer non-stop without moving, stretching or changing your posture? *

up to 1 hour a day (1 p.);

between 1 and 2 hours a day (2 p.);

between 2 and 4 hours a day (3 p.);

between 4 and 6 hours a day (4 p.);

over 6 hours a day (5 p.).

3. How many hours total in full-day you are using a computer - including the time for work, fun, etc. (without including rest breaks)? *

up to 4 hours a day (1 p.);

between 4 and 6 hours a day (2 p.);

between 6 and 8 hours a day (3 p.);

between 8 and 12 hours a day (4 p.);

over 12 hours a day (5 p.).

4. Do you think you know what is a correct posture in front of a computer (the posture that is most gentle on the health of your musculoskeletal system)? *

I feel completely familiar (1);

I feel quite familiar (2);

I am not familiar but I want to know more (3);

I am not familiar but I do not want to know more (4);

I do not think posture in front of the computer affects my health (5).

5. When you use a computer, your posture is : *

Combined - 1 hour sitting then 30 min. standing and again sitting-standing (1);

Standing all the time - I work standing at my PC (2);

Sitting all the time - I work sitting at my PC (3);

Non of the above - look the next question

6. Your usual position in front of a computer is (you can mark more than one option):

Picture 1 - laying on the bed (5);

Picture 2 - one side laying (5);

Picture 3 - sitting on the sofa/bed (5);

Picture 4 - laying on the front (5);

Picture 5 - on the knees (5);

7. The space you use when you work on a computer have: (you can mark more than one option) *

Have adjustable high desk and adjustable chair with armrest (1);

Have non-adjustable high desk and adjustable high chair with armrest (2);

Have table (like for dinner) and non-adjustable high chair with armrest (3);

Have high table (like bar table) and chair without armrest (4);

Have short table and sofa/armchair (5);

Required

8. Do you use special program for tracking time while working on/using a computer (for reminding to have a break for some minutes)? *

Yes (1);

I track the time alone (2);

No (3).

9. The upper end of your computer is at the level of your: *

Eyes (1);

Nose (2);

Chin (3);

Shoulders (4);

Chest (5).

10. The space between your face and the computer screen is: *

Between 55 and 70 cm (1);

Between 40 and 55 cm (2);

Less then 40 cm or over 70 cm (3).

11. While using computer / look at the screen your head is: *

Picture 1- straight head (1);

Picture 2 - left or right rotation (2);

Picture 3 - 10 degree forward (3);

Picture 4 - over 10 degree forward (4);

Picture 5 - 10 degree back (5).

12. While using a computer your body / your back is: *

Picture 1 - straight (1);

Picture 2 - 10 degree back (2);

Picture 3 - between 10÷20 degree back (3);

Picture 4 - 10 degree forward (4);

Picture 5 - more than 10 degree forward (5);

It is not straight - look the next question

13. While using a computer your back is curved on a different level of your spine, your posture looks like: *

Picture 1 - curved in the neck area (1);

Picture 2 - curved shoulders forward (2);

Picture 3 - curved in the chest area (3);

Picture 4 - bent from the chest area and one shoulder is higher than the other (4);

Picture 5 - curved from the chest area and with raised shoulders (with highly supported elbows) (5);

My back is always straight (0)

14. Do you have to turn your body while using a computer: *

No, my body is straight ahead (1);

Yes, I turn my body left or right up to 20 degrees (2);

Yes, I turn my body left or right above 20 degrees (3).

15. While using mouse / keyboard or touchpad your arms are: *

Picture 1- the elbow angle are more than 90 degrees (1);

Picture 2 - the elbow are on the 90 degrees (2);

Picture 3 - the elbow are less than 90 degrees (3);

Picture 4 - the arms are stretched forward and slightly bent at the elbows (4);

Picture 5 - the arms are totally stretched forward (5).

16. While using mouse or keyboard or touchpad your forearms are in the position of: *

Picture 1 - one or both forearms are rotated in the body middle (1);

Picture 2 - forearms are straight forward (2)

Picture 3 - one or both forearms are rotated out of body middle (3);

17. While using mouse your wrist/hand is in the position: *

Picture 1 - straight (1);

Picture 2 - curved up or down (2);

Picture 3 - curved left or right (3);

Combined between two of the above (4).

18. While you are sitting and using a computer your upper body and thighs are in the position: *

Picture 1 - folded on 90 degrees (1);

Picture 2 - folded angle above 90 degrees (2);

Picture 3 - folded angle less than 90 degrees (3);

I do not sit while I am using a computer - look question №22 .

19. While using a computer your knees are folded like: *

Picture 1 - on 90 degrees (1);

Picture 2 - above 90 degrees (2);

Picture 3 - less than 90 degrees (3);

I do not sit while I am using a computer - look question №22

20. While you are sitting and using a computer your legs are in the position: *

Picture 1 - stepped entirely on the floor or on a footrest (1);

Picture 2 - stepped on the chair (2);

Picture 3 - do not stepped anywhere they hang freely from the chair (3);

Combined between two of the above (4);

I do not sit while I am using a computer - look question №22.

21. While you are sitting and using a computer, does your chair presses the lower part of your thighs? *

No, the chair is upholstered and my thighs are horizontal (1);

Yes, lightly bud the pressure is not painful (2);

Yes, sometimes my legs are numb and swollen (3);

I do not sit on a chair while I am using a computer - look question №22 .

22. While your are standing and using a computer: (if you are not standing, please do not answer)

You are stepping from foot to foot (1);

You are stepped evenly and still on both feet (2);

You have shifted your weight to your stronger leg (left or right) (3).

Clear selection

23. How many years till now you have usually used computer (at least 4 days a week) ? *

Up to 2 years (1);

Between 2 and 5 years (2);

Between 6 and 12 years (3);

Between 13 and 20 years (4);

Over 21 years (5).

24. Do you do sport activities/exercises for stretching while you are using a computer? *

Yes, I stretch, a lot of times per day (1);

Yes, I stretch, one time per day (2);

Yes, I have sport activity after work more than 2 times per week (3);

Yes, I have sport activities after work one time a week (4)

No, I do not sport activities or stretch (5);

25. Mark the place/s of the body map where you feel discomfort or pain and think it is because you are continuously using a computer:

1-2 times a week – (1):

3-4 times a week – (2):

At least once a time everyday – (3):

More than once a time everyday – (4):

Whole day everyday – (5):

I have no such complaints - (0)

26. Rate the pain and the discomfort using body map:

Very light – (1):

Mild – (2):

Moderate – (3):

Sever – (4):

Unbearable – (5):

I do not feel pain or discomfort (0)

А. When you use a computer you are (you can mark more than one option): *

Working ;

Playing different computer games ;

Studying - do homework, projects, coursework ;

Searching information fo news, sport, live events, etc. ;

Entertaining yourself with music clips, films, concerts, theater, etc.

Required

B. You are (you can mark more than one option): *

Student ;

Working with experience up to 5 years including ;

Working with experience between 5-15 years including;

Working with experience between 16-31 years including ;

Working with experience more than 31 years ;

I do not work/ Housewife/husband/ Without work ;

Retired .

Required

C. You are: *

Female

Male

D. Your age is: *

I. Please enter your weight in kilos and high in cm (Example: 65 / 160) *

Calculate your grade:

After answering all questions and calculating the points you can grade how safe and correct is your posture while working on/using a computer. You will know if your organization while working is safe and if you have to do something about it and your health. (For question 25 and 26 you calculate only the points where you have marked most places on the body map).

Scale:
up to 25 points -Green - safe, continue keep your health;
between 26 and 50 points - Orange - caution - try to improve your posture and health;
over 50 points - Red - dangerous - take instant actions for changing and reduce risks to keep your health and reduce the pain you feel.

Colored scale for assessment the risk

Thank you for your time. If you wish, you can leave a comment or question for our team.

Thank you to BNSF!

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