Bulletin of Faculty of Physical Therapy

Table 2 Comparisons of participants’ normalized EMG activities of the back muscles across trials of front infant carrying tasks with three hip-belt dimensions

From: Can infant carrier hip belts of 2-inch, 4-inch, and 6-inch dimensions influence trunk muscle activities during front infant carrying tasks?

Muscles	2-inch belt	4-inch belt	6-inch belt	f-value	p-value
Right ES (%)	53.7 ± 186.66	57.02 ± 143.81	14.65 ± 7.87	1.343	0.283
Left ES (%)	9.40 ± 7.33	11.33 ± 8.59	10.15 ± 6.94	0.698	0.509
Right MF(%)	19.94 ± 21.29	14.48 ± 8.64	16.80 ± 7.52	1.612	0.223
Left MF (%)	17.69 ± 8.71	19.64 ± 8.06	15.04 ± 6.93	2.931	0.075

ES erector spinae, MF multifidus

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