Industrial Ergonomics
Question 1. Among the three planes more commonly used in obtaining anthropometric measurements, which of the following is the plane dividing the body in the median plane? The terms "medial" and "lateral" relate to this plane.
Sagittal plane
Coronal plane
Transverse plane
Diagonal plane
Question 2. As an anthropometric term, __________ is a straight line, point-to-point horizontal measurement running fore-aft the body.
breadth
depth
distance
reach
Question 3. In order to initiate contraction, the __________ heads protrude from the thick filaments along their length and form a cross bridge with the actin.
myosin
actin
ATP
Z disc
Question 4. The color of the slow twitch fibers are __________ due to an abundance of capillaries that provide oxygenated blood for long-duration activities.
red
white
grey
yellow
Question 5. Which of the following terminologies is the reference for the height of a seat?
Sitting thigh height (clearance)
Sitting knee height
Sitting hip height
Sitting popliteal height
Question 6. In which of the following principles is the maximum value of design features (i.e., door height) or the minimum value of design features (i.e., reach distance) used?
Design for adjustable ranges
Design for accuracy
Design for average users
Design for extremes
Question 7. For a measurement of static strength, the strength datum is the mean score recorded during the first __________ seconds of steady exertion.
2
3
5
7
Question 8. An example of an _________ contraction would be carrying an object in front of the body.
eccentric
isometric
isotonic
isokinetic
Question 9. To design tasks such that the smallest person can reach all items, what percentile is commonly used to find the reach dimensions?
5th percentile
50th percentile
95th percentile
99th percentile
Question 10. In __________ testing, subjects perform lifting tasks to determine maximum safe levels of exertion based on their personal perspective of acceptable risk. This method is dependent upon cooperation from the subject, expertise from the evaluator, and good judgment on the part of both the subject and evaluator to ensure the safety of the test and the accuracy of the data.
isometric strength
dynamic strength
psychophysical
biomechanical