Effects of Wearing Different Personal Equipment on Force Distribution at the Plantar Surface of the Foot

Table 7

Static measurement results for contact area (A), pressure (P), distance from the first to the fifth metatarsal caput (MTP I–V), and distance from the heel to the first metatarsal caput.

	P in kPa	A in cm^2	ΔMTP I–V in cm	ΔAnkle-MTP I in cm
Control	111 ± 13	162 ± 21	9.1 ± 0.7	20.4 ± 0.9
Helmet	119 ± 20	163 ± 25	9.1 ± 0.8	20.4 ± 1.2
Plus load-carrying equipment	121 ± 17	162 ± 23	9.1 ± 0.6	20.5 ± 0.9
Plus backpack	138 ± 21	178 ± 23	9.2 ± 0.7	20.6 ± 1.0
Plus rifle (in front of the body)	145 ± 18	183 ± 25	9.3 ± 0.7	20.6 ± 0.9
Plus rifle (slung over the shoulder	147 ± 19	188 ± 23	9.3 ± 0.7	20.7 ± 0.9