WorksheetsErgonomics 3
Total questions: 10
Worksheet time: 5mins
Which task is included in Manual Material Handling (MMH)?
Calibrating electronic measurement devices
Scheduling staff for shift coverage
Lifting or lowering an object safely
Recording data in a digital logbook
A worker reports shoulder tightness and tingling that persists after work and starts to interfere with daily activities. Which MSI stage best fits this situation?
Stage 3: constant symptoms, simple tasks difficult
Pre-stage: no symptoms, only minor fatigue
Stage 2: symptoms persist and affect daily activities
Stage 1: symptoms during work, disappear with rest
Which factor most directly increases the risk of musculoskeletal injuries from manual handling?
Repetitive motions with poor recovery time
Occasional stretching before a shift
Using an adjustable workstation
Lifting with team assistance equipment
Which factor best describes injury risk from bending or twisting the body during manual work?
Forceful exertions when lifting objects
Vibration transmitted to the hands
Awkward postures during manual handling
Repetition of the same motion
Which scenario most increases compressive force at the L5/S1 disc when lifting a 20 lb box?
Holding box with arms extended at 25 inches
Holding box on shoulder with neutral spine
Holding box close to body at 12 inches
Holding box close while squatting deeply
What is the standing force limit guideline for pulling with both hands?
About 18 kg (40 lbs) maximum
About 28 kg (62 lbs) maximum
About 23 kg (50 lbs) maximum
About 11 kg (25 lbs) maximum
Which practice is safest when carrying boxes by hand?
Keep the load close at waist level
Walk with arms extended for balance
Hold the load away at chest height
Grasp the sides without handle points
When moving a loaded cart, which option aligns with ergonomic principles?
Push the cart with neutral posture
Pull the cart with backward steps
Twist torso to steer around turns
Lean far forward with bent back
Which statement best reflects the role of aids and engineering controls in lifting tasks?
Twisting carefully removes need for redesign
Proper lifting eliminates need for better design
Personal strength is safer than using equipment
Mechanical aids complement, not replace, good habits
A coworker reports shoulder pain after repeated overhead lifts. What is the best next step?
Lower posture and lift with back
Ignore pain and continue lifting
Report early and adjust task setup
Switch to faster twisting movements
