Author Question: Which of the following would not be considered proper seating ergonomics? A) Backrest provides ... (Read 738 times)

Chelseaamend

  • Hero Member
  • *****
  • Posts: 545
Which of the following would not be considered proper seating ergonomics?
 A) Backrest provides support for your lower back (lumbar area).
  B) Seat front that presses against the back of your knees and lower legs.
  C) Armrests, if used, support both forearms while you perform computer tasks and they do not interfere with movement.
  D) Seat has cushioning and is rounded with a waterfall front (no sharp edge).

Question 2

Which of the following working postures is not considered proper ergonomics?
 A) Upper arms and elbow extended outward.
  B) Head, neck, and truck are faced forward, not twisted.
  C) Forearms, wrists, and hands are straight and in line, forearm at about 90 degrees to the upper arm.
  D) Shoulders and upper arms are in line with the torso, generally about perpendicular to the floor and relaxed, not elevated or stretched forward.



jaygar71

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

For a complete list of videos, visit our video library