Table 3.
Allometric equation constants for hindlimb muscle group belly mass (g) ± SE and 95% confidence intervals established using logged data (exponents in bold have CIs overlapping those predicted by isometry)
| Muscle group | a (± SE)* | CI (a)† | b (± SE) | CI (b) | R2 | P |
|---|---|---|---|---|---|---|
| Overall | ||||||
| Total | 0.52 (± 0.53) | ± 0.95 | 0.94 (± 0.13) | ± 0.23 | 0.83 | < 0.001 |
| Proximal | 3.90 (± 0.39) | ± 0.70 | 1.01 (± 0.09) | ± 0.16 | 0.92 | < 0.001 |
| Distal | 3.73 (± 0.43) | ± 0.77 | 0.73 (± 0.10) | ± 0.18 | 0.83 | < 0.001 |
| Proximal | ||||||
| Gluteals | 1.54 (± 0.48) | ± 0.86 | 1.27 (± 0.12) | ± 0.22 | 0.92 | < 0.001 |
| Adductors | 2.69 (± 0.48) | ± 0.86 | 0.96 (± 0.11) | ± 0.20 | 0.87 | < 0.001 |
| Knee extensors | 2.32 (± 0.64) | ± 1.15 | 1.02 (± 0.15) | ± 0.27 | 0.82 | < 0.001 |
| Knee flexors and hip extensors | 2.92 (± 0.41) | ± 0.74 | 0.83 (± 0.10) | ± 0.18 | 0.87 | < 0.001 |
| Bi-articular knee and hip flexors | 2.38 (± 0.45) | ± 0.81 | 0.76 (± 0.11) | ± 0.20 | 0.83 | < 0.001 |
| Distal | ||||||
| Uni-articular knee flexors | 0.19 (± 0.82) | ± 1.47 | 0.78 (± 0.20) | ± 0.36 | 0.64 | 0.003 |
| Plantarflexors | 2.90 (± 0.61) | ± 1.08 | 0.76 (± 0.15) | ± 0.27 | 0.72 | < 0.001 |
| Dorsiflexors | 1.36 (± 0.43) | ± 0.77 | 0.88 (± 0.10) | ± 0.18 | 0.88 | < 0.001 |
| Digital flexors | 2.80 (± 0.36) | ± 0.65 | 0.53 (± 0.09) | ± 0.16 | 0.79 | < 0.001 |
| Everters | 1.15 (± 0.86) | ± 1.54 | 0.77 (± 0.21) | ± 0.38 | 0.58 | 0.004 |
| Mean exp | 0.85 (± 0.06) | ± 0.11 | ||||
*
Equation takes the form y = aMb, where M is body mass (kg) and a and b are provided above.
†
Confidence intervals (95%) are provided for the exponents a and b, respectively.