The correct answers for the quiz are shown in bold:

1. Finding ways to eliminate awkward postures and repetitive motions usually involves a process of__________.

A. Effective safety management

B. Moving through a range of motions

C. Elimination

D. Trial and error

2. Ergonomics — __________ — helps lessen back injuries, muscle fatigue, increases productivity, and reduces the number and severity of work-related musculoskeletal disorders (MSDs).

A. Training and education

B. Fitting the worker to job tasks

C. Daily exercise

D. Both A and C

3. __________ workers are at greater risk of back injury because weight carried in the belly puts a strain on the spine.

A. Unsafe

B. Overweight

C. Unsatisfied

D. Happy

4. Consider changes to prevent back strain, like using __________ or installing adjustable-height fabrication tables.

A. Mechanical lifting devices

B. Hand carts

C. The buddy lift system

D. Both A and C

5. Back injuries don’t happen from one lift; they develop over time. Spinal discs don’t have__________, so workers don’t feel pain or notice problems until something “gives out.”

A. Blood or nerves

B. Ligaments

C. Bacteria

D. All the above

6. It’s best to act as soon as you identify warning signs of musculoskeletal disorders. These signs include worker __________.

A. Fatigue or discomfort

B. Reports of problems

C. Elevated levels of absenteeism

D. All the above