Back Pain Back Pain Prevention and Ergonomics 1

Question 1

What lumbar spine position is recommended during seated computer work to minimize back strain?

Accepted Answer

Neutral lumbar lordosis with lumbar support

Answer

A neutral lumbar curve with proper lumbar support maintains natural alignment and minimizes intradiscal pressure and muscle fatigue during prolonged sitting.

Question 2

What is the recommended maximum weight for safe manual lifting by a healthy adult in US occupational guidelines?

Accepted Answer

51 lbs

Answer

NIOSH recommends a recommended weight limit (RWL) of up to 51 lbs under ideal conditions, with lower limits for awkward postures or distances.

Question 3

Which ergonomic adjustment is most important for preventing back pain in drivers who spend long hours in vehicles?

Accepted Answer

Setting lumbar support and taking breaks every 1-2 hours

Answer

Proper lumbar support combined with regular breaks (every 1-2 hours) to walk and stretch is the most effective ergonomic strategy for reducing driver back pain.

Question 4

Which risk factor is most strongly associated with occupational low back pain in the US workforce?

Accepted Answer

Whole-body vibration and heavy manual lifting

Answer

Whole-body vibration (e.g., truck drivers, heavy equipment) and heavy manual lifting are the strongest occupational risk factors for LBP and disc degeneration.

Question 5

What is the proper technique for lifting a heavy object from the floor to prevent back injury?

Accepted Answer

Squat with a neutral spine, keeping the load close to the body

Answer

Squatting with a neutral spine, engaging core muscles, and keeping the load close reduces spinal compressive forces and minimizes injury risk.

Back Pain Practice Test

Back Pain Practice Test

Back Pain Back Pain Prevention and Ergonomics 1