CHAPTER 25 ERGONOMICS

Question 1

Ergonomics ?

Answer 1

Adaption of the work environment to the human body.

Question 2

Goal of the importance for Ergonomics?

Answer 2

Help employees stay healthy and perform work more effectively by changing the workplace design, modifying instruments, strengthen muscles, taking breaks, using certain products, and proper training.

Question 3

musculoskeletal disorders

Answer 3

headaches, neck and shoulder pain, & CTS. many disorders lead to career- ending among dental assistants.

bad work ethics, bad work posture, and incorrect use of instruments can lead to these disorders

Question 4

Ergonomics in the dental Office

Answer 4

dental team work in a seated position, using excessive movement

Question 5

Posture

Answer 5

ability for a DA to reach for, hold, and use equipment. It can also affect how long they can perform a task.

Question 6

Neutral posture

Answer 6

ideal position to work

Question 7

Problem Posture

Answer 7

leaning forward, twisting, overbending, and overreaching

reaching is only allowed in the front and not behind the DA

Question 8

Repetition and Force

Answer 8

Repetitive motion, over flexion, and overextension of the wrist can significantly increase the risk for
CUMULATIVE TRAUMA DISORDERS ( CTDs )

Question 9

Prevention of CTDs & CTS

Answer 9

take periodic breaks, when scheduling patients, alternate difficult procedures with less stressful procedures.

Question 10

Symptoms of CTS & CTDs

Answer 10

1. painful tingling feeling in one pr both hands that occurs at night.
2. decrease ability to squeeze objects ( hard to form a fist )
   3.thenar muscle weakens, causing feeling in decreased handgrip.

Question 11

GLOVES

Answer 11

Ambidextrous gloves ( gloves that are worn out ) exert excessive tension on the hypothenar eminence.

gloves that are properly fitting support the hand in a natural position

Question 12

Muscle- strengthening exercises

Answer 12

stretching and strengthening the arms, fingers, neck, and back will help everything remain strong and healthy
stretch throughout the work day

Question 13

Hand Relief

Answer 13

resting your hands is one of the MOST important way to prevent CTS
hand stretching help as well

Question 14

Eye Relief

Answer 14

1 can happen by staring intensely into depth for a long period of time.
2. to form relief focus your eyes at a distance for 20 seconds, practice frequently throughout the day.

Question 15

Back & Shoulder relief

Answer 15

full back release
1. head roll forward slowly and allow the arms and head to fall between the knees
2. hold for a few seconds
3. bring head up last to stop position correctly
4. shoulder shrugs