Load Lifting

Question 1

NIOSH

Answer 1

National institute for occupational safety and health

Question 2

What did NIOSH do

Answer 2

Develop an occupational lifting formula to compute recommended weight limit

Question 3

NIOSH recommendations/Parameters (10)

Answer 3

Smooth lifting
Object size
Posture
Coupling
Horizontal location
Vertical Location
Vertical travel
Frequency of lifitn
Asymmetry
Coupling of load

Question 4

Basis for NIOSH

Answer 4

Biomechanically
Physiologically
Psychophysically

Question 5

NIOSH - Biomechanicaaly

Answer 5

L5/S1 forces should be less than 3400 N

Question 6

NIOSH - physiologically

Answer 6

metabolic energy expenditures should be below predicted levels

Question 7

NIOSH - psychophysically

Answer 7

Subjective worker estimates would accomodate 75% of women and 99% of men

Question 8

Pros to NIOSH

Answer 8

Combination of data from 4 disciplines
Comprehensive review of lit
Multiplicative nature of equations makes estimates conservative
Easily measured
Each factor can be measured ind
Useful tool in industry
Good strating point

Question 9

Cons for NIOSH

Answer 9

Single equation for all pop
Suitable for most, too high for some
No gender differences
Focuses only on lumbar spine
Speed of lifting and duration is neglected
Frequency multiplier is physiological limit
Only for two handed lifting

Question 10

Lifting training - should specifically cover

Answer 10

Risk to health of unskilled lifting
Basic biomechanics of lifting
Effects of lifting on the body
Individuals awareness of their strengths and weaknesses
How to avoid unexpected shifting loads
Lifting skills
Lifting aids
Warnings