Table 2. Comparison of the postural measures in the sagittal plane and coronal plane (unit: mm).

		No leg-crossing	1	2	3
	External auditory meatus	52.19±2.79	59.64±7.50	56.67±3.41	62.15±3.29
Sagittal	Shoulder joint	39.00±5.30	38.14±8.71	39.80±8.30	39.75±7.34
plane	Knee joint	36.44±9.45	37.86±3.77	39.33±8.34	39.62±5.76
	Calcaneocuboid joint	13.31±1.29	14.86±3.04	15.13±4.45	14.96±7.16
Coronal	Acromion process	5.94±3.06	5.29±1.72	6.27±1.07	10.92±3.58*+
plane	ASIS	5.75±2.26	5.00±2.75	8.27±2.66*+	13.25±5.58*+‡

ASIS: anterior superior iliac spine; 1, 1-hour group; 2, 2-hour group; 3, 3-hour group. *p<0.05 significant difference form the no leg crossing group. ⁺p<0.05 significant difference form the legs crossing for 1-hour group. ^‡p<0.05 significant difference form the legs crossing for 2-hour group