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Long bone indices of Humans and Chimpanzees [20]. All indices are based on measurements of the maximum length of the long bones. Intermembral index = [(humerus + radius) × 100] / (femur + tibia), Humerofemoral index = (humerus × 100) / femur.
| Species | Intermembral Index | Humerofemoral Index |
|---|---|---|
| Human (male) | 69.7 | 71.4 |
| Human (female) | 68.5 | 69.8 |
| Chimpanzee (male) | 108.0 | 101.1 |
| Chimpanzee (female) | 109.4 | 102 |
| Bonobo (male & female) | 102.2 | 98.0 |
