Table 2.
Tendon data: mass, volume, and resting length, and estimated cross-sectional area (CSA), stress, strain, and length change of selected pelvic limb tendons. Estimated parameters calculated using methods described in the text. Data are means (n = 6). Values in brackets are standard deviations
| Muscle tendon unit | Mass (g) | Volume (cm3) | Rest length (cm) | CSA (cm2) | Stress (MPa) | Strain (%) | Length change (mm) | ||
|---|---|---|---|---|---|---|---|---|---|
| Semitendinosus | 1.0 | (0.8) | 1.8 | 7.5 | (1.5) | 0.2 | 15 | 1.0 | 0.8 |
| Gracilis | 2.5 | (0.7) | 2.2 | 5.4 | (0.9) | 0.4 | 21 | 1.4 | 0.8 |
| Sartorius | 1.0 | (0.5) | 0.9 | 3.2 | (1.0) | 0.3 | 5 | 0.4 | 0.1 |
| Tensor fascia latae | 6.5 | (2.2) | 5.8 | 16.5 | (2.8) | 0.4 | 7 | 0.5 | 0.8 |
| Rectus femoris | 8.5 | (4.9) | 6.9 | 10.4 | (3.5) | 0.7 | 12 | 0.8 | 0.8 |
| Vastus | 7.8 | (6.7) | 2.8 | 7.8 | (3.1) | 0.4 | 7 | 2.5 | 1.9 |
| Gastrocnemius | 18.4 | (2.5) | 5.5 | 15.4 | (5.0) | 0.4 | 37 | 2.5 | 3.8 |
| Peroneus longus | 2.8 | (1.2) | 1.7 | 19.4 | (3.0) | 0.1 | 26 | 1.7 | 3.4 |
| Tibialis cranialis | 1.2 | (1.0) | 1.9 | 15.7 | (3.6) | 0.1 | 40 | 2.7 | 4.2 |
| Extensor digitorum longus | 0.8 | (1.6) | 2.2 | 14.5 | (4.3) | 0.2 | 7 | 0.4 | 0.6 |
| Flexor digitorum profundus | 7.8 | (4.7) | 6.9 | 28.5 | (4.5) | 0.2 | 27 | 1.8 | 5.1 |
| Flexor digitorum superficialis | 9.2 | (5.4) | 8.2 | 27.8 | (3.3) | 0.3 | 43 | 2.8 | 7.9 |