02.00 Understand Computer Fundamentals.

1
02.00 Understand Computer Fundamentals.

• 02.02 Explain Care of the
• Computer Environment
• SUPPLEMENTAL

2
ERGONOMICS

• The science of designing equipment and workspace
  for a comfortable and safe working environment.

THEN
NOW
3
Proper Computer Ergonomics

• Sit up straight and lean forward slightly from
  the waist.
• Keep your feet flat on the floor
• Your body should be about a hands length from
  the front of the keyboard and centered with the
  keyboard.
• Keep your fingers on the home row keys and curved
• Keep your wrists up, not touching the keyboard or
  desk.

• Focus your eyes on the book, copy or screen.
• Place all materials you will type on the right
  side of the computer and supplies on the left
  side.
• Keep any items you are not using off your desk.
• Occasionally rest your eyes and take short
  breaks.
• Avoid lights that cause glare on the monitor.

4
Computer Workstation Ergonomics
5
Things to Remember
6
Repetitive Stress Injuries(RSI)

• Repetitive Stress Injuries (RSI) is a name used
  for a group of conditions that occur when someone
  performs a task repeatedly causing too much
  stress being placed on the joints

• Examples of these injuries are Carpal Tunnel
  Syndrome (CTS) and DeQuervains Disease

7
Carpal Tunnel Syndrome(CTS)

• Causes pain, tingling, numbness in the thumb,
  index, and middle fingers, and weakness and
  swelling of the wrist and hand.

• Is the entrapment of the median nerve in the
  carpal tunnel. CTS occurs due to the swelling of
  the median nerve or the tendons of the wrist.
• Occurs from using the computer for hours without
  proper body posture and improper techniques.

8
DeQuervains Disease

• DeQuervains Disease is an overuse injury of the
  thumb extensor tendons.
• It often occurs from repetitive tapping of the
  space bar.

9
Exercises for Carpal Tunnel Syndrome
10
Exercises (Continued)