Lecture 4 - Info Gathering

Question 1

What are the 4 major physical risk factors for MSI?

Answer 1

1. Force
2. Repetition
3. Work posture
4. Local contact stress

Question 2

For each risk factor, what is an additional important consideration?

Answer 2

duration (how long) and magnitude (how much)

Question 3

What are the three types of activities that require force?

Answer 3

1. Force involved in lifting, lowering and carrying
2. Force involved in pushing or pulling
3. Grip force

Question 4

______ posture occurs when any joint of your body bends pr twists outside a comfortable ROM

Answer 4

awkward

Question 5

In what two situations will the effects of awkward posture be made worse?

Answer 5

1. Applying force in an awkward position

2. Holding an awkward position for a prolonged period

Question 6

____ _____ _____ occurs when a hard or sharp object comes into contact with the skin.

Answer 6

local contact stress

Question 7

In what two situations can the effects of local contact stress be made worse?

Answer 7

1. The hard object contacts an area without much protective tissue
2. Pressure is applied repeatedly or held for a long time

Question 8

_______ involves doing a task with little chance for rest or recovery.

Answer 8

Repetition

Question 9

Repetition puts workers at higher risk of injury when other _____ _____ are also present.

Answer 9

risk factors

Question 10

What are two situations that may increase the risk of MSI?

Answer 10

1. There is not enough variety in the workers task to give muscles a rest or opportunity to recover
2. The worker is unaccustomed to the task

Question 11

Employers are required to identify the following 5 physical and ergonomic factors in the workplace that may expose workers to a risk of MSI

Answer 11

1. Physical demands of work activities
2. Aspects of the layout and condition of the workplace or workstation
3. The characteristics of the objects handled
4. The environmental conditions
5. The characteristics of the organization of work

Question 12

Ergonomic programs may be what two things?

Answer 12

1. Reactive

2. Proactive

Question 13

What is step 1 of an ergonomic problem solving process?

Answer 13

Identifying areas / jobs with ergonomic opportunities

Question 14

What is step 2 of an ergonomic problem solving process?

Answer 14

Defining the job demands

Question 15

What is step 3 of an ergonomic problem solving process?

Answer 15

Identifying risk factors by body part for each task of concern

Question 16

What is step 4 of an ergonomic problem solving process?

Answer 16

For each risk factor ask why it is present until a dead end is reached

Question 17

What is step 5 of an ergonomic problem solving process?

Answer 17

Develop strategies for how to address the root cause and generate at least 3 solutions for each task of concern

Question 18

What is step 6 of an ergonomic problem solving process?

Answer 18

Choose the solutions that will substantially reduce the ergonomic problems and be within affordable cost guidelines for the workplace