Table 3 Shoe outsole abrasion data
From: Pattern of outsole shoe heel wear in infantry recruits
Parameter | Units | N | Mean ± STD | Range |
|---|---|---|---|---|
Max. abrasion direction, right | Degrees to lateral | 63 | 12 ± 16 | −30 to 45 |
Max. abrasion direction, left | Degrees to lateral | 63 | 12 ± 23 | −120 to 88 |
Lateral range of abrasion right | Degrees to lateral | 63 | 73 ± 23 | 0 to 120 |
Medial range of abrasion right | Degrees to lateral | 63 | −59 ± 20 | −90 to 60 |
Lateral range of abrasion left | Degrees to lateral | 63 | 74 ± 15 | 45 to 105 |
Medial range of abrasion left | Degrees to lateral | 63 | −53 ± 21 | −90 to 30 |
Mid range of abrasion right | Degrees to lateral | 63 | 7 ± 16 | −30 to 90 |
Mid range of abrasion left | Degrees to lateral | 63 | 10 ± 11 | −8 to 45 |
Volume of abrasion right | cm3 | 60 | 5.1 ± 2.8 | 0.4 to 13.0 |
Volume of abrasion left | cm3 | 60 | 4.7 ± 2.5 | 0.2 to 14.6 |
Percent of heel abraded right | 60 | 2.7 ± 1.5 | 0 to 7 | |
Percent of heel abraded left | 60 | 2.5 ± 1.3 | 0 to 7 |