Transcript RSI 4U2? - Home | VSNU

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ARBOCATALOGUS Nederlandse universiteiten
Subject:
CANS
Good Practice #4b: PowerPoint presentation CANS (UK)
2009-5045 ACNU KANS GP4b CANS presentation (UK version).ppt
RSI
or how evolution cannot
keep up with our progress
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Subjects
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What is RSI?
Diagnose, Symptoms
Direct causes
Indirect causes
(risk factors)
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RSI in 3 stages
Ergonomics
Posture
Prevention
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RSI Repetitive Strain Injury
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Repetitive
Strain
Injury
=
=
=
repeated
too much tension
damage
The RSI syndrome is a collective name
for complaints from overstraining
as a result of repeated work
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Diagnose RSI?
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Most common(80%) is a painful
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hand, arm, shoulder and neck
A medical diagnose in only 10 - 20%
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Tennis elbow, golf elbow
Inflammation of tendon or tendon sheath
Carpal tunnel syndrome
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Symptoms/Complaints
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Local cramp and tiredness
Pain: nagging or sharp can radiate
Tingling (paraesthesia)
Loss of control and strength
Stiffness
Dysfunctions and restrictions
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Neck
20 %
Shoulder
19%
Elbow
6%
Wrist/hand/fingers
11%
(Dutch Labour Inspection examined in 1997, 2000 civil servants.)
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Direct causes
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Static load:
continuous (over)straining of the muscles in
neck, shoulder, arms and fingers
Dynamic load:
Repeated movements in combination with
extreme postures
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Indirect causes (Risk factors) 5 W’s
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Working times
(duration)
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Work pressure
(deadlines, stress)
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Work place
(furniture, equipment)
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Work method
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Work tasks
(visual aspects, instructio
(organising tasks)
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Causes may lead to
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Nerve damage as a result of pressure
Straining of muscles and tendons
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RSI complaints in 3 stages:
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Light to very serious
Temporary to permanent
While working to lasting after work
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Phase 1:
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Rookie
Pain during work or after extensive work
Complaints are local
Clear relation between work and pain
Phase 1 can last for years
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Phase 2:
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Experienced
Pain radiates
Pain and tiredness do not disappear
entirely after work
Work can become restricted
Complaints occur during normal daily activities
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Phase 3: “Die hards”
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Continuous pain even at night
Pain can transfer to other limbs
Work can become impossible
Injury can become permanent
Even light activities can be very painful
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Conclusion…
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The problem is real
”THE SOLUTION” doesn’t exist
Prevention is better than curing
Variation in activities
Awareness of (physical) stress
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Balance in the
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5W’s
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The 5 W’s
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Working times
(duration)
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Work pressure
(deadlines, stress)
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Work place
(furniture, equipment)
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Work method
(visual aspects, instructions)
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Work tasks
(organising tasks)
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Workplace, Posture and Method
Ergonomics
Ergon
=
Nomos =
work
rule, law
“Learn from yesterday, live for today and hope for tomorrow.
The important thing is to not stop questioning ”
Albert Einstein
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People are
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Short or tall
Thin or thick
Average people do not exist,
neither does the average workplace
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1. Chair
2. Desk
3. Monitor
4. Visual aspects
5. Posture
6. Keyboard
7. Mouse
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1. Chair
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Seat
Back
Armrests
(height, depth)
(support)
(height, width)
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2. Desk
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Depth
Height
Legroom: stretch, turn
Desktop: thickness
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3. Monitor
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Top of screen at eye height
Distance 50 - 70 cm
Settings:
 font size
 colour, contrast, brightness
 refresh rate ≥ 70 Hz
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4. Visual aspects
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5. Posture
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Straight back
Relaxed
Right in front of your monitor
NOT twisted or turned at your desk
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6. Keyboard
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As flat as possible
Wrists relaxed and straight
Right in front of you
No wrist support
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7. Mouse
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Motion speed
Large movements
Double click speed
Large (or no) mouse pad
(NO wrist support)
Fingers relaxed
Shortcut keys
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The ‘ideal’ work place
1. Chair
2. Desk
3. Monitor
4. Visual
aspects
5. Posture
6. Keyboard
7. Mouse
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WRONG?
RIGHT?
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WRONG?
RIGHT?
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WRONG
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Do not raise your shoulders
Relax while working!
RIGHT
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WRONG
RIGHT
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Never bend forward
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Always keep your back straight
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WRONG
RIGHT
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Wrong posture (long term)
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Always have your screen straight ahead
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WRONG
RIGHT
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Keep elbows relaxed
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Keep hands and fingers relaxed
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WRONG
RIGHT
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Wrist is carrying the weight of the arm
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Caused by leaning forward
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WRONG
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RIGHT
Keep fingers and wrists relaxed, not bent
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WRONG
RIGHT
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To much tension in the hands
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Will cause complaints rapidly
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Exercises to relax
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Work pace software
If you get used to it….. it really helps
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Sportswear not required.
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What can YOU do at your workplace
Adjust workplace
If desired with help from
consultant
Clean up desk
Create working space
Report immediately to
Beginning complaints workplace or OSHE
consultant
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What can you do by yourself:
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Don’t skip breaks
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Avoid peak loads
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Variation in activities
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Loosen up from work
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Keep yourself fit
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Workplace consultants
Name
Tel
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R
S
I
can change your life drastically