Ergonomic and Human Factor

The name of vertebra at the neck area.

• Lumbar

• Thoracic

• Cervical

• Sacrum

Why the lumbar area prone to injuries?

• it supports most of the body’s weight

• It has a weak structure

• it usually out of shape

• it used to hold the ribs

Workers who spend long periods of time in office or laboratory are at considerable risk of ergonomics related disease.

• True

• False

Which of the following statement is correct?

• Prolonged standing – standing position for duration more than 2 hours

• Prolonged sitting – sitting for duration more than 30 minutes

• Internal contact stress is condition when a tendon, nerve or blood vessel is stretched or bent around a bone or tendon

• All of the answers are correct

Anthropometrics is the scientific study of_____

• making products comfortable

• workplace and product design

• the measurements and proportions of the human body

• work task design

What is the body part used to determine the ceiling height of aircraft cockpits?

• Standing height

• Sitting height

• Standing fingertips height

• Vertical functional grip reach

Distance from enter of rotation of the upper limb from seat is___

• Sitting height

• popliteal height

• sitting elbow height

• sitting shoulder height

Which are the following is the environmental risk factors?

• Thermal environment

• Illumination

• Vibration

• All are the correct answer

Worker’s attitude and behavior at work are referred to …

• Biomechanics

• Work Physiology

• Anthropometry

• Industrial Psychology

Calculate the asymmetric multiplier value for the Asymmetric Multiplier if the amount of asymmetry degrees is 60.

• 0.95

• 0.97

• 0.87

• 0.81