Scaling of metathoracic femur mass, extensor tibia muscle mass, femoral exoskeleton mass, and metathoracic leg length with body mass across instars of S. americana (N=196)
| Log variable . | Slope (s.e.m.) . | Upper 95% C.L. . | Lower 95% C.L. . | Intercept (s.e.m.) . | r2 . |
|---|---|---|---|---|---|
| Femur mass (mg) | 1.046 (0.007) | 1.059 | 1.032 | -1.117 (0.019) | 0.99 |
| Extensor tibia muscle mass (mg) | 1.006 (0.007) | 1.020 | 0.992 | -1.06 (0.019) | 0.99 |
| Femoral exoskeleton mass (mg) | 1.470 (0.013) | 1.496 | 1.444 | -3.305 (0.037) | 0.98 |
| Leg length (mm) | 0.375 (0.006) | 0.387 | 0.363 | 0.156 (0.016) | 0.96 |
| Log variable . | Slope (s.e.m.) . | Upper 95% C.L. . | Lower 95% C.L. . | Intercept (s.e.m.) . | r2 . |
|---|---|---|---|---|---|
| Femur mass (mg) | 1.046 (0.007) | 1.059 | 1.032 | -1.117 (0.019) | 0.99 |
| Extensor tibia muscle mass (mg) | 1.006 (0.007) | 1.020 | 0.992 | -1.06 (0.019) | 0.99 |
| Femoral exoskeleton mass (mg) | 1.470 (0.013) | 1.496 | 1.444 | -3.305 (0.037) | 0.98 |
| Leg length (mm) | 0.375 (0.006) | 0.387 | 0.363 | 0.156 (0.016) | 0.96 |
All equations are in the form: log variable = intercept + slope (log body mass).