Across the
six manual tasks, the participants displayed the highest average blood
pressure changes of 12.53% while dishwashing and 11.50% while collecting
trays and trolleys. Delivering lunch trolleys displayed the lowest average
blood pressure change of 1.65%. The perceived effort measured by Borg’s
RPE scale showed that the perception of exertion for four out of six tasks
was rated as “somewhat hard”. Recommendations focused on
implementation of an effective hazard management program and
maintenance and design of equipment and trolleys.