Chapter 13

Question 1

Root cause of many work injuries

Answer 1

load, number of repetitions, frequency of repetitions

Question 2

Recommended Weight Limit definition

Answer 2

the weight of the load that nearly all healthy workers could perform over a substantial period of time without an increased risk of developing lifting-related low back pain

Question 3

RWL destination vs origin

Answer 3

If RWL(d) < RWL(o), eliminate the need for significant control of the object at the destination by redesigning the job or modifying the container

Question 4

Lifting Index definition

Answer 4

provides a relative estimate of the level of physical stress associated with a particular manual lifting task, (load weight)/(RWL), choose lowest RWL of origin and destination, want less than 1.0

Question 5

Lifting Index > 1

Answer 5

represents an increased risk of low back pain

Question 6

Lifting Index > 3

Answer 6

represents a high risk of low back pain