QUESTION
(a) During an accident at work, a worker sustains a single injury with loss of right arm at shoulder. How is the degree of the injury evaluated?
(b) (i) When is the Balthazard formula used for the evaluation of injuries?
(ii) Use the formula to calculate the total disability for a worker with individual degrees of disability for three injuries of 50%, 10% and 5% respectively.
(iii) Why is the result different from the mathematical total of 65%?
(c) (i) When and why is the Gabrielli Formula used for evaluation of injuries?
(ii) Give the Gabrielli Formula and explain the meaning of the different terms of the formula
(d) (i) Calculate the final degree of incapacity of a worker who has an initial capacity of 50% before an accident and then sustains an injury evaluated at 20% incapacity during the accident
(ii) Analyse the result obtained