MANUAL-HANDLING5 MIN READ
NIOSH RWL is not a magic weight limit
Interpret the NIOSH recommended weight limit as a task-specific risk estimate rather than a universal maximum.
Why a box under an informal weight limit can still be a high-risk lift. What reduces the recommended weight limit Reach from body horizontal distance large effect Start/end height vertical hand position high/low costs Lift travel distance moved longer costs Twist asymmetry angle rotation costs Frequency repetition and duration fatigue costs Grip quality
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