The Effect of Standing Mats on Biomechanical Characteristics of Lower Limbs and Perceived Exertion for Healthy Individuals during Prolonged Standing

Table 4

Comparison of foot morphological change within and between groups.

Item	Group	Paired -test within the group			Student’s -test between groups
		Before	After	Mean difference		value
Instep height(mm)	GS				0.004	0.997
	MS
Ball of the foot length (mm)	GS			-	0.704	0.492
	MS
AHI (%)	GS				3.540	0.003
	MS

GS: hard ground surface; MS: standing mat surface; : ; : .