The purpose of a Physical Demands Analysis/Description (PDA/PDD) or Job Demands Assessment (JDA) is to document the essential duties of a task, with the physical elements of that task broken down and described in detail. Furthermore, objective measurements are reported for all physical elements of the task.
PDA’s/JDA’s can be used for:
Ergonomic hazard identification
Determining job and task suitability
Assisting medical professionals in evaluating an employee’s current suitability and return-to-work options
Hiring practices for pre-employment, to train new workers, etc.