CIRS Ergonomics & Work Conditioning Flashcards
6 cards from real CIRS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 CIRS Ergonomics & Work Conditioning flashcards as text
Which condition is most commonly associated with work-related upper extremity disorders among assembly line workers?
Answer: Carpal tunnel syndrome from repetitive wrist flexion, extension, and forceful gripping
Carpal tunnel syndrome, caused by compression of the median nerve at the wrist, is the most prevalent work-related upper extremity disorder in assembly workers due to repetitive wrist motions and sustained awkward postures.
What is the fundamental purpose of a gradual return-to-work program in industrial rehabilitation?
Answer: To progressively increase work hours and duties as the worker's functional capacity improves
Gradual return-to-work programs systematically increase work exposure from modified or light duty to full duties as the worker's physical capacity and tolerance build over time.
What ergonomic benefit does job task rotation provide in industrial settings?
Answer: It reduces repetitive strain by distributing physical demands across different muscle groups during a shift
Job task rotation reduces cumulative fatigue and musculoskeletal strain by varying which muscle groups are loaded, allowing recovery of one group while another is active.
The Rapid Upper Limb Assessment (RULA) ergonomic tool is specifically designed to evaluate:
Answer: Postural loading and exposure to risk factors associated with upper limb musculoskeletal disorders
RULA evaluates body posture, force, and repetition for the upper limbs and neck/trunk to score musculoskeletal disorder risk and prioritize ergonomic interventions.
What is the primary ergonomic benefit of sit-stand workstations for workers in industrial rehabilitation programs?
Answer: They allow workers to alternate between postures, reducing static spinal loading and whole-body fatigue
Sit-stand workstations reduce the harmful effects of prolonged static postures by enabling workers to alternate between sitting and standing, decreasing cumulative spinal compression and muscle fatigue.
Which of the following best defines 'maximum medical improvement' (MMI) in industrial rehabilitation?
Answer: The point at which an injured worker's condition has stabilized and no significant further recovery is expected
MMI is reached when the injured worker's medical condition has stabilized and no further clinically meaningful functional improvement is expected with or without additional treatment.