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Table 1 Summaries of the material properties of plantar soft tissue at heel

From: Effect of loading history on material properties of human heel pad: an in-vivo pilot investigation during gait

Properties

Time zero

Following continuous loading

Left side

Right side

Combined

Left side

Right side

Combined

Primary thickness (mm)

15.43 (9.60 ~ 16.73)

15.26 (9.89 ~ 16.36)

15.40 (9.60 ~ 16.73)

15.35 (9.65 ~ 16.70)

15.10 (9.90 ~ 16.35)

15.24 (9.65 ~ 16.70)

Peak strain

0.68 (0.67 ~ 0.73)

0.70 (0.69 ~ 0.73)

0.70 (0.67 ~ 0.73)

0.69 (0.68 ~ 0.72)

0.70 (0.65 ~ 0.72)

0.70 (0.65 ~ 0.72)

Peak stress (kPa)

141.41 (98.74 ~ 146.88)

156.30 (145.10 ~ 196.40)

145.47 (98.74 ~ 196.73)

145.80 (101.20 ~ 160.10)

156.50 (116.20 ~ 178.60)

147.30 (101.20 ~ 178.60)

Young’s modulus (kPa)

170.70 (130.50 ~ 202.20)

199.90 (158.60 ~ 266.40)

185.20 (130.5 ~ 266.40)

180.90 (129.1 ~ 197.80)

204.20 (135.70 ~ 251.20)

184.20 (129.10 ~ 251.20)

Viscous modulus (kPa۰s)

41.00 (21.13 ~ 59.79)

42.62 (11.39 ~ 75.69)

42.03 (11.39 ~ 75.69)

13.20 (10.25 ~ 29.10)

22.31 (12.89 ~ 46.56)

15.39 (10.25 ~ 46.56)

EDR (%)

23.03 (15.82 ~ 44.25)

25.01 (12.62 ~ 59.24)

24.28 (12.62 ~ 59.24)

20.35 (10.74 ~ 46.65)

21.20 (13.45 ~ 63.57)

20.83 (10.74 ~ 63.57)

  1. The data were presented with the median values as well as the minimum-to-maximum ranges