Transcript 1 - SJSU HFES

• Ergonomics is the discipline that fits the
workplace(like chair, table) and product(like
computer, cell phone) to you
• Ergonomics relates to you in life and work everyday
•1.8 million U.S. workers experience Musculoskeletal
Disorders(back, shoulder, elbow, wrist pain) each year
•# 1 Injury Risk Factors are Static Posture and
Repetition Motion
3 Ways Cell Phone Can Hurt
1 Cell Phone Elbow
•Cause: Long chats stretch the nerve and choke the blood
supply to the ulnar nerve inside your elbow
•Symptom: Numbness, tingling in the forearm and hand
•Chronic Problem: Difficulty in writing and typing
2 BlackBerry/Texting Thumb
•Cause: Long time typing makes thumb repetitive strain injury
•Symptom: Sore and numbness in the base of the thumb
•Chronic Problem: Chronic pain in tendon region of thumb,
some cases need operation
3 iPhone/iPod Ear
•Cause: iPhone/iPod can put out sound around 120 decibels,
which is past people’s pain threshold
•Symptom: Hearing loss, headache, internal ringing
•Chronic Problem: Hearing impairment, ear damage is
cumulative and hearing loss is permanent
3 Ergonomics Tips for Cell Phone Users
•Spend less time on the phone, alternating hand every 10
minutes and use Hands-Free headset if possible
•Decrease repetitive typing on cell phone– use shortcut,
abbreviation and physical keyboard
•Follow 60/60 Rule—listen to music via Headset at less than
60% Max Volume for less than 60 minutes per day
Helpful Stretches Exercises
1 Back and Shoulder Exercises
2 Hand Exercises
Computer Can Hurt
CTS-Carpal Tunnel Syndrome
CTS is the #1 reported medical problem in U.S.
8 million Americans are affected
36% of CTS patients need Unlimited medical treatment
Right way to avoid Carpal Tunnel Syndrome
Ergonomic Products that can help you
Following 20-20-20 Rule Can Help

Every 20 minutes

Take a 20 seconds break

Look 20 feet away and do some Stretches
Helpful Stretches Exercises
1 Hand Exercises
2 Head and Neck Exercises