chapter 4 - rsi
TRANSCRIPT
8/4/2019 Chapter 4 - RSI
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How many of you heard
about
R S I ?
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Why you should be aware of
R S I ?
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R e p e t i t i v e
I n j u r i e s
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C o m p u t e r U s e r s a r e
P r o n e t o d e v e l o p
R S I
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You are a computer athlete A dangerous occupation:
Walk several miles on your fingertips?
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O t h e r N a m e s for R S I
Work Related Upper Limb Disorder (WHO)
Occupational Overused Syndrome (NZ)
Cumulative Trauma Disorder (USA)
Computer Related Injury (CRI)
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Myth #1
“I don’t type a lot, so I can’t get RSI.”
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Myth #1
“I don’t type a lot, so I can’t get RSI.” Fact: Anyone who types more than two hours a day is
at risk for RSI
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Myth #2
RSI is mostly psychosomatic
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Myth #2
RSI is mostly psychosomatic Fact: Though usually invisible, RSI is a soft tissue
injury susceptible to medical diagnosis and treatment
Harris RSI -- LISA '99 11
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Myth #3
“I don’t touch type, so I can’t get RSI.”
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Myth #3
“I don’t touch type, so I can’t get RSI.” Fact: though hunt-and-peckers are less likely to
develop RSI, certain habits (such as holding up the
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serious ailments
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Myth #4
“My symptoms have been like this for years, so I guessit won’t get any worse.”
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Myth #4
“My symptoms have been like this for years, so I guessit won’t get any worse.”
Fact: RSI is progressive, and even if the pain doesn’t get
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,gets bad enough
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Myth #5
“If my hands get really bad, I can always switch to voicedictation until it gets better.”
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Myth #5
“If my hands get really bad, I can always switch to voicedictation until it gets better.”
Fact: Current voice dictation systems are a poor
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, workers
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R S I F a c t s & F i g u r e s
OSHA estimate over 700,000 RSI’s occur every year
15-25% of computer users throughout the world may-
3 out of 5 office workers in Sweden have symptoms of R S I
Every day 6 people in UK leave their jobs due to an R S I
(Source - TUC)
75% of Indian Computer Users report pain/numbness. 55% ofIndian Computer Users got injured within a year of starting their
first job
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The cost of RSI
$20 billion per year[Information Week, Nov. 9, 1992]
$29,000 average compensation
accounts or 0 o a o -re ate n ur es[Department of Labor]
Approx. ¾ of all jobs require using a computer
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Despite its increasing prevalence, RSI ispoorly understood by workers, employers by workers, employers and the medicalprofession.
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What is RSI? Repetitive Strain Injury (RSI)
is pain or nerve problems in upper extremity (hands, arms, orshoulders)
can also include neck and back is a soft tissue disease (muscles and nerves)
is an overuse syndrome Symptoms:
burning, numbness, tingling, pins-and-needles dull aching OR specific, intense pain
Controversial: many deny it exists sufferers receive little support from employers
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Repetition of job tasks
Too much Stress
Muscles Tendons Nerves Other soft Tissues
O n
Causes
Leads to
R S I Awkward/Static
Postures
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Bad posture
ulnar deviation dorsiflexion
pronat on
slouching
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When do When do RSI’s Appear?
Starting a new job Using new office equipment
Return to work
After Extended Vacation After an Injury
Maternity Leave
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T y p e s&
C a u s e sof
R S I
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C a r p a l T u n n e lS y n d r o m e
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B a c k P r o b l e m s
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C a u s e s..
►► Poor Poor StrengthStrength
►► oor oor os uresos ures
►► Poor Poor Body MechanicsBody Mechanics
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T h o r a c i c O u t l e t S y n d r o m e
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C a u s e s..
Cradling Telephone
Awkward postures
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T e n d i n i t i s &
T e n o s y n o v i t i s
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N e c k Strain&
Tension H e a d a c h e s
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R o o t C a u s e s of R S I
Poor body mechanics
oor or a s
Inappropriate Workstation Setup
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S y m p t o m s of R S I
Pain & Discomfort
Unusual sensations like Tingling, Burning,
an um ness.
Decreased ROM / Flexibility
Muscle weakness, loss of grip strength
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W h a t n o t t o D o Ignore or deny you have a problem
Take pain killers
Cures the symptoms not the problem
Join a gym or start weight training
Undergo vigorous oil massages
Take a vacation hoping the pain will go away with rest
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Ergonomics
Myotherapy
Physiotherapy
Acupuncture
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How can you Prevent
R S I ?
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Proper Workstation Setup
Postural Training
Good Work habits
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POSTURE The Golden Rule..
PUT LIMBS IN A NEUTRAL POSTURE
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P o s t u r a l T r a i n i n g
Neck Posture
Sitting Posture
Typing Posture
Use of Mouse
ea
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W o r k H a b i t s
Take rest breaks
Practice good body mechanics
Exercise at work – Stretch !
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Strengthening Exercises