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Table 1 Details of cartilage sites tested and summary of the results for storage modulus, loss modulus and phase angle
| Point | Thickness (mm) | Frequency range (Hz) | Storage modulus curve fit | Loss modulus (MPa) | Phase angle (°) | |||
|---|---|---|---|---|---|---|---|---|
| A (SE) | B (SE) | R 2 | p | Mean (SD) | Mean (SD) | |||
| 1 | 2.9 | 1 to 92 | 3.4 (0.2) | 69.3 (0.5) | 0.99 | 0 | 6.6 (0.6) | 4.8 (0.2) |
| 2 | 2.1 | 1 to 92 | 3.0 (0.2) | 66.4 (0.7) | 0.97 | 0 | 6.7 (0.3) | 5.1 (0.5) |
| 3 | 1.1 | 1 to 92 | 2.8 (0.3) | 81.2 (1.0) | 0.93 | 0 | 5.3 (0.5) | 3.4 (0.5) |
| 4 | 2.8 | 1 to 80 | 1.7 (0.2) | 47.6 (0.8) | 0.93 | 0.002 | 4.5 (0.8) | 4.9 (0.7) |
| 5 | 2.5 | 1 to 80 | 2.3 (0.3) | 56.1 (0.8) | 0.95 | 0.001 | 5.7 (0.5) | 5.2 (0.4) |
| 6 | 1.7 | 1 to 80 | 2.5 (0.2) | 57.3 (0.7) | 0.97 | 0 | 5.7 (0.3) | 5.1 (0.6) |
| 7 | 1.1 | 1 to 72 | 1.9 (0.2) | 75.4 (0.5) | 0.97 | 0 | 5.0 (0.7) | 3.6 (0.7) |
| 8 | 1.9 | 1 to 72 | 2.8 (0.2) | 62.3 (0.5) | 0.99 | 0 | 6.4 (0.4) | 5.3 (0.7) |
| 9 | 2.4 | 1 to 72 | 2.8 (0.2) | 59.8 (0.6) | 0.98 | 0 | 5.9 (0.3) | 5.0 (0.3) |
| 10 | 1.8 | 1 to 72 | 2.3 (0.04) | 45.9 (0.1) | 1.00 | 0 | 4.9 (0.3) | 5.4 (0.8) |
| 11 | 1.7 | 1 to 72 | 2.1 (0.1) | 56.3 (0.3) | 0.99 | 0 | 4.8 (0.3) | 4.4 (0.2) |
| 12 | 1.7 | 1 to 72 | 1.8 (0.06) | 39.0 (0.2) | 0.99 | 0 | 3.6 (0.2) | 4.6 (0.2) |
| 13 | 2.4 | 1 to 72 | 2.1 (0.1) | 43.0 (0.3) | 0.98 | 0 | 4.2 (0.3) | 4.9 (0.2) |
| 14 | 2.7 | 1 to 72 | 1.8 (0.1) | 38.5 (0.4) | 0.98 | 0 | 3.9 (0.2) | 5.1 (0.2) |
| 15 | 2.4 | 1 to 72 | 1.9 (0.07) | 42.8 (0.2) | 0.99 | 0 | 4.1 (0.2) | 4.9 (0.2) |
| 16 | 2.5 | 1 to 72 | 1.5 (0.1) | 36.1 (0.3) | 0.98 | 0 | 3.4 (0.4) | 4.8 (0.3) |
| 17 | 2.7 | 1 to 60 | 3.3 (0.2) | 55.8 (0.6) | 0.98 | 0 | 5.5 (0.3) | 4.9 (0.3) |
| 18 | 2.8 | 1 to 60 | 3.2 (0.2) | 53.5 (0.5) | 0.99 | 0 | 5.9 (0.4) | 5.3 (0.5) |
| 19 | 3.2 | 1 to 50 | 1.9 (0.2) | 37.9 (0.4) | 0.98 | 0 | 4.2 (0.3) | 5.7 (0.3) |
| 20 | 1.7 | 1 to 30 | 3.1 (0.2) | 46.0 (0.5) | 0.98 | 0 | 5.3 (0.3) | 5.7 (0.1) |
| 21 | 2.4 | 1 to 30 | 3.3 (0.3) | 55.2 (0.7) | 0.97 | 0 | 5.2 (0.3) | 4.7 (0.2) |
| 22 | 2.6 | 1 to 30 | 2.7 (0.2) | 49.1 (0.5) | 0.97 | 0 | 4.8 (0.2) | 4.9 (0.2) |
| 23 | 2.7 | 1 to 30 | 2.2 (0.2) | 36.4 (0.4) | 0.97 | 0 | 3.2 (0.2) | 4.4 (0.1) |
| 24 | 1.7 | 1 to 18 | 3.0 (0.2) | 45.2 (0.4) | 0.98 | 0 | 5.0 (0.2) | 5.6 (0.6) |
| 25 | 2.6 | 1 to 18 | 2.3 (0.1) | 35.1 (0.2) | 0.98 | 0 | 3.6 (0.2) | 5.3 (0.1) |
| 26 | 3.1 | 1 to 18 | 2.7 (0.2) | 37.8 (0.4) | 0.97 | 0 | 3.3 (0.2) | 4.4 (0.1) |
| 27 | 2.9 | 1 to 18 | 3.0 (0.2) | 46.7 (0.4) | 0.97 | 0 | 4.0 (0.2) | 4.4 (0.1) |
| 28 | 2.8 | 1 to 12 | 3.1 (0.2) | 43.9 (0.3) | 0.99 | 0 | 4.7 (0.1) | 5.5 (0.3) |
| 29 | 1.9 | 1 to 10 | 2.4 (0.3) | 32.3 (0.6) | 0.92 | 0.001 | 3.6 (0.1) | 5.6 (0.3) |
