Table 2 Shopping behavior NIOSH analysis.

From: Applied research using the NIOSH lifting equation to optimize the design of shopping trolley for the elderly

Movement

LI

RWL (kg)

CLI

① Placing commodities in the shopping cart

0.58

10.41

1.124

② Removing weighed commodities

0.60

11.06

③ Putting back the weighed commodities

0.49

12.15

④Taking out to checkout

0.60

11.06

⑤ Putting back in the shopping cart

0.49

12.15

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