Table 3.
Single-leg force measurements for arolia and euplantulae of cockroach hind legs in the fixed condition.
| distal slide mean±s.e. | proximal slide mean±s.e. | n | test statistic | ||
|---|---|---|---|---|---|
| arolium | force (mN) | 1.69±0.19 | 2.94±0.39 | 12 | paired t-test T11=3.29, p=0.007 |
| contact area (μm2) | 21 086±3641 | 32 016±3929 | 11 | Wilcoxon paired T11=14, p=0.102 | |
| shear stress (kPa) | 213±115 | 121±14.4 | 11 | Wilcoxon paired T11=26, p=0.577 | |
| euplantulae | force (mN) | 14.40±0.97 | 20.23±2.45 | 11 | paired t-test T10=2.19, p=0.053 |
| contact area (μm2) | 60 337±5627 | 60 009±7730 | 11 | paired t-test T10=0.03, p=0.973 | |
| shear stress (kPa) | 262±28.8 | 392±57 | 11 | paired t-test T10=2.35, p=0.040 |