Ergo1

Question 1

T/F: Posture and movement play a central role in ergonomics.

Answer 1

True

Question 2

What part of the body are involve in adopting a posture, carrying out a movement and applying a force

Answer 2

Muscles, Ligaments, and Joints

Question 3

It provides force necessary to adopt a posture or make a movement.

Answer 3

Muscles

Question 4

It has an auxiliary function

Answer 4

Ligaments

Question 5

It allows the relative movement of the various parts of the body.

Answer 5

Joints

Question 6

Ergonomics of posture and movement derive from a range of what specialist fields.

Answer 6

Biomechanics, Physiology, and anthropometrics

Question 7

Principle 1

Answer 7

Joints must be in a neutral position

Question 8

Principle 2

Answer 8

Keep the work close to the body

Question 9

Principle 3

Answer 9

Avoid bending forward

Question 10

Principle 4

Answer 10

A twisted trunk strains the back

Question 11

Principle 9

Answer 11

More frequent shorts’breaks are better than a single lone one

Question 11

Principle 5

Answer 11

Sudden movement and forces produce peak stresses

Question 12

Principle 8

Answer 12

Prevent muscular exhaustion

Question 12

Principle 6

Answer 12

Alternate posture as well as movement

Question 13

Principle 7

Answer 13

Limit the duration of any continuous muscular effort

Question 14

Principle 11

Answer 14

Rest is necessary after heavy tasks

Question 15

Principle 10

Answer 15

Limit the energy expenditure in a task

Question 16

Principle 12

Answer 16

Take account of differences in body size

Question 17

Principle 13

Answer 17

Use the anthropometric tables appropriate for specific population

Question 18

Principle 14

Answer 18

Select a basic posture that fits the job

Question 19

Principle 15

Answer 19

Alternate sitting with standing and walking

Question 20

Principle 22

Answer 20

Avoid excessive reaches

Question 21

Principle 17

Answer 21

Provide proper sitting

Question 22

Principle 16

Answer 22

The height of the seat and back rest of the chair must be adjustable

Question 23

Principle 23

Answer 23

Select sloping work surface for reading task

Question 23

Problem 19

Answer 23

The work height depends on the task

Question 24

Principle 18

Answer 24

Specific chair characteristic are determined by the task

Question 25

Principle 20

Question 26

Principle 21

Question 27

Principle 25

Answer 27

Alternate standing with sitting and walking

Question 28

Principle 24

Answer 28

Allow sufficient leg room

Question 29

Principle 26

Answer 29

The work height depends on the task

Question 29

Principle 30

Answer 29

Avoid excessive reaches

Question 30

Principle 32

Answer 30

Offer variation in task and activities

Question 30

Principle 27

Answer 30

The height of the table must be adjustable

Question 31

Principle 28

Answer 31

Do not use platforms

Question 32

Principle 29

Answer 32

Provide sufficient room for the legs and feet

Question 33

Principle 31

Answer 33

Select a sloping work for reading tasks

Question 34

Principle 33

Answer 34

Introduce sit-stand work stations

Question 35

Principle 34

Answer 35

Alternate sitting postures

Question 35

Principle 35

Answer 35

Make occasional use of a pedestal stool in standing

Question 35

Principle 39

Answer 35

Maintain your tools

Question 36

Principle 40

Answer 36

Pay attention to the shape of hand grips

Question 36

Principle 43

Answer 36

Restrict the number of the task which requires displacing loads manually

Question 36

Principle 36

Answer 36

Select the right model of tool

Question 36

Principle 38

Answer 36

Hand-held tools must be too heavy

Question 36

Principle 37

Answer 36

Do not bend the wrist, use curved tools instead

Question 37

Principle 42

Answer 37

Avoid working with the hand behind the body

Question 38

Principle 41

Answer 38

Avoid carrying out task above shoulder level