Chapter 1 Introduction to Ergonomics

Ergonomics is the science of fitting the job to a group of workers.

• a) True

• b) False

Musculoskeletal disorders can result when there is a mismatch between the physical _____ of the job and the physical _____ of the worker.

• a) demands, requirements

• b) requirements, capacity

• c) requirements, requirements

• d) demands, demands

By the age _____, most people have had their first episode of back pain.

• a) 25

• b) 35

• c) 45

• d) 55

It is clear that differences seen with some MSDs are due to physiological differences rather than differences in exposure.

• a) True

• b) False

Demanding repetitive or static muscular work requires energy, not necessarily strength.

• a) True

• b) False

The amount of effort in performing a task depends on a number of factors. _____ is not one of those factors.

• a) Type of grip

• b) Object weight

• c) Object dimensions

• d) Fatigue

What condition exists when any part of your body presses against an external object and the resulting sustained force has caused too much mechanical stress on tissues?

• a) Mechanical trauma

• b) Recovery trauma

• c) Force trauma

• d) Contact trauma

The _____ noise and the _____ duration, the greater the risk of injury.

• a) louder, longer

• b) softer, shorter

• c) louder, shorter

• d) softer, longer

Which of the ergonomics control strategies is most effective?

• a) Technical controls

• b) Engineering controls

• c) Administrative controls

• d) Interim measures

Workers are likely to develop MSDs when they _______.

• a) work in an awkward position

• b) use a great deal of force

• c) repeatedly lift heavy objects

• d) any of the above