Workplace Ergonomics & Health Flashcards

A HACCP facility is redesigning its canning line to improve ergonomics. Which principle of ergonomic design should guide the height of conveyors relative to workers?

Answer: Adjust conveyor height to each worker's elbow level for their primary task

Adjustable conveyor height matched to individual elbow level maintains neutral shoulder and spine posture, reducing MSD risk.

Heat stress is an ergonomic and health hazard in cooking and pasteurization areas of HACCP facilities. What is the first physiological sign of developing heat exhaustion?

Answer: Heavy sweating, weakness, and cool, pale skin

Heat exhaustion presents with heavy sweating, cool clammy skin, weakness, and dizziness before progressing to the more dangerous heat stroke.

A food safety manager wants to reduce back injuries from manual pallet stacking in a warehouse that is part of the HACCP-controlled cold chain. Which solution best applies the hierarchy of controls?

Answer: Purchase an automated pallet stacker to eliminate manual stacking

Automated palletizing eliminates the manual handling hazard at the top of the hierarchy of controls, providing the most reliable protection.

A new HACCP-compliant seafood processing plant is selecting workstation seating for workers who perform seated trimming tasks. What is the most critical ergonomic requirement for this seating?

Answer: Height adjustability to position thighs parallel to floor and feet flat

Adjustable seating that positions the thighs parallel to the floor and feet flat ensures neutral hip and lumbar spine posture during sustained seated work.

Which mental health factor, increasingly recognized in food processing ergonomics programs, directly affects workers' susceptibility to musculoskeletal disorders?

Answer: Work-related psychosocial stress increasing muscle tension

Psychosocial stress causes chronic muscle guarding and tension, which amplifies physical ergonomic stressors and accelerates MSD development.

During a HACCP facility walkthrough, you observe a worker twisting their torso 90 degrees to deposit product into a bin on their left side approximately 400 times per hour. The priority corrective action is to:

Answer: Reposition the bin directly in front of or beside the worker to eliminate twisting

Repositioning the bin eliminates the twisting motion entirely, which is far more effective than any administrative or PPE-based approach.

A HACCP plant's ergonomics committee is reviewing incident reports. They find that most MSD injuries occur in the last two hours of a 10-hour shift. This pattern most strongly suggests the need for:

Answer: Micro-break schedules and job rotation earlier in the shift to prevent fatigue accumulation

The end-of-shift injury peak indicates cumulative fatigue; scheduled micro-breaks and rotation redistribute workload before fatigue accumulates to injury threshold.