Influence of Shopping Bags Carrying on Human Responses While Walking

Table 1

F and values for the upper extremity parts studied. Their discomfort rating was significantly affected by the main effects of the three independent variables and the interaction between the handling style and the shopping bags’ weight.

	Weight		Holding style		Carrying technique		Holding style × carrying technique
	F(1, 12)		F(1, 12)		F(1, 12)		F(1, 12)
Index finger	214.307	<0.0001	—	—	—	—	15.421	<0.002
Middle finger	188.033	<0.0001	—	—	—	—	7.861	<0.016
Ring finger	118.403	<0.0001	—	—	—	—	7.885	<0.016
Little finger	84.112	<0.0001	—	—	—	—	14.186	<0.003
Palm	180.746	<0.0001	6.973	<0.022	38.167	<0.0001	—	—
Upper arm	123.29	<0.0001	76.134	<0.0001	22.29	<0.0001	—	—
Shoulder	115.746	<0.0001	109.02	<0.0001	13.883	<0.003	—	—