ERGONOMICS and Related Disorders Dr Sakina Sharique Physiotherapist Secretary, Holistic Health Care and research Organization
W HAT
IS ERGONOMICS ?
Using scientific information and techniques to
position your body relative to your surroundings to minimize Physical Stress.
Derived from two greek words “ Ergon” meaning Work “ Nomoi” meaning Natural Laws
Hence ergonomics focuses on studying human capabilities in relation to work demands
B ENEFITS
OF
E RGONOMICS
Reduction of work-related injuries
Increased productivity
Increased work quality
Reduced absenteeism
Increased morale
W HAT WILL HAPPEN IF IGNORED ….?
R ISKS OF IGNORING ERGONOMIC PRINCIPLES
Y OUR B ACK
• Four natural: neck, middle back, lower back and tailbone • Your spine contains 24 vertebrae separated by discs to absorb shock, fluid inside the discs allows movement • Too much of the wrong movement can cause wear and tear.
B ACK PAIN Back pain is one of the most common causes of lost time at work:
•Low back pain affects 85% of working population • Over 50% of sufferers find back pain affects their quality of life and limits recreational activities
JOB ANALYSIS
J OB
ANALYSIS
Prolonged periods of standing
in the class Walking throughout the
classroom Bending at the waist often
S TANDING
JOB
P OOR POSTURE WHILE STANDING
C OMMONEST I NCORRECT SITTING POSTURES
I NCORRECT SITTING POSTURE
I NCORRECT POSTURE
SITTING
B ACK PAIN
I NCORRECT WRIST POSITION
while using mouse of the computer
E RGONOMICS WHILE STANDING Distribute body weight evenly to the
front, back, and sides of the feet while standing. Try to maintain a proper posture. Comfortable footwear , avoid high-
heels. Frequent breaks by sitting in chair for
3-5 mins. Walking in between in the classroom.
(1-2 rounds)
E RGONOMICS FOR SITTING Sit
up straight and align the ears, shoulders, and hips in one vertical line.
Do not slouch while sitting. Try
not to sit in one position for long time, change positions.
E RGONOMICS WHILE SITTING STRETCHING OF BACK MUSCLES
S TRETCHING MUSCLES
OF CHEST
ROM E XERCISES FOR NECK
E RGONOMICS
WHILE
SITTING Avoid prolong sitting, take a
walk in the room after 30-35 minutes. One can also do deep breathing
exercises while sitting.
C OMPUTER E RGONOMICS
E RGONOMICALLY DEVISED C HAIR Backrest provides good back support Arms adjustable Front edge of seat curves down Seat adjustable horizontally and tilts Height adjustable
Five feet for base-most stable
On rollers
PROPER WRIST POSITION
X
√
Aoooch Its hurting‌.!!!
Avoid bending from
low back
P ROPER L IFTING Lifting posture is particularly important Spread feet apart about shoulder width Bend your knees Tighten stomach muscles Keep your head up, and chin out Keep load close to the body Lift slowly and evenly Avoid twisting while lifting -
REMEMBER
Meet the Challenge!
Y OU C AN R EDUCE R ISK G REATLY Improve body posture and keep a safe body position avoid awkward positions Change work habitspractice and use correct procedures, avoid repetition of a single task take frequent breaks
E RGONOMICS
IS WIN WIN
SITUATION
Ergonomics is a Win-Win situation!