Normal Values of Metatarsal Parabola Arch in Male and Female Feet

Table 2

Mean values of metatarsal protrusion related to II ray (in percentage terms). Whole specimen.

𝑁=169	II-I	II-III	II-IV	II-V
Mean* ± SD	0.83±2.19	−3.60±1.22	−9.05±1.89	−16.40±2.52
Upper LIM	1.16	−3.41	−8.76	−16.02
Lower LIM	0.50	−3.78	−9.33	−16.79

∗IC 95%.
Positive values of metatarsal protrusion mean lengthening of the metatarsal related to II ray expressed in percentage terms.
Negative values of metatarsal protrusion mean shortening of the metatarsal related to II ray expressed in percentage terms.