TABLE 3.

Result of digital image correlation analysis (n = 4).

Applied stroke	Tensional strain in tensional direction				Compressive strain perpendicular to tensional direction
	Mean strain	Rounded strain	Mean min strain	Mean max strain	Mean strain	Mean min strain	Mean max strain
2%	1.30 ± 0.2%	1%	0.83 ± 0.23%	1.57 ± 0.12%	0.90 ± 0.03%	0.57 ± 0.02%	1.08 ± 0.00%
4%	2.54 ± 0.3%	3%	1.72 ± 0.16%	3.05 ± 0.24%	1.63 ± 0.06%	1.13 ± 0.08%	2.06 ± 0.19%
8%	5.18 ± 0.3%	5%	3.79 ± 0.22%	6.29 ± 0.88%	3.08 ± 0.10%	2.17 ± 0.20%	3.67 ± 0.12%
10%	6.38 ± 0.3%	6%	4.72 ± 0.61%	7.45 ± 0.47%	3.74 ± 0.04%	2.99 ± 0.06%	4.15 ± 0.12%
16%	9.91 ± 0.5%	10%	7.44 ± 0.45%	11.97 ± 0.54%	5.58 ± 0.13%	3.94 ± 0.36%	6.42 ± 0.13%