Table 2 Measured viscoelastic parameters from the single-layer viscoelastic model (1–20 kHz)

Axial

α (kPa)

38 ± 12

56 ± 12

87 ± 29

132 ± 32

176 ± 18

2β+2γ (kPa)

320 ± 60

420 ± 140

570 ± 110

1140 ± 170

1500 ± 240

η (×10⁻³s^δ)

11 ± 4

46 ± 14

23 ± 14

22 ± 14

5.5 ± 1.7

δ

0.43 ± 0.14

0.25 ± 0.14

0.21 ± 0.13

0.06 ± 0.03

0.06 ± 0.01

Circum.

α (kPa)

56 ± 6

109 ± 45

122 ± 48

215 ± 19

270 ± 9

2β+2γ (kPa)

440 ± 90

1000 ± 180

1300 ± 290

–

–

η (×10⁻³s^δ)

9 ± 5

4 ± 2

11 ± 6

14 ± 5

1.2 ± 0.1

δ

0.46 ± 0.07

0.29 ± 0.13

0.30 ± 0.11

0.08 ± 0.05

0.05 ± 0.01