Measures

Question 1

Maximum voluntary force

Answer 1

Rohmert’s law says the maximum force one’s muscles can exert decreases exponentially from the time one begins continuously exerting the force
- static gripping loads should not be more than 15% of the load required for squeeze operated tool.

Question 2

Energy expenditure

Answer 2

Heart rate and energy expenditure were highly correlated (r = 0.98) and linear regardless of age or sex

Question 3

OSHA recordables incident rate

Answer 3

(number of new cases per year x 200,000 work hours) divided by (number of workers x 2,000 work hours)