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The minimum costs of transport and associated walking speed for the different AL 288-1 models
| Knee extension | Lucy (human) | Lucy (chimp) | |
|---|---|---|---|
| Cost of transport (J m−1 kg−1) | 0° | 2.49 | 2.85 |
| Cost of transport + BMR (J m−1 kg−1) | 0° | 5.36 | 5.62 |
| Speed (m s−1) | 0° | 0.55 | 0.57 |
| Cost of transport (J m−1 kg−1) | 40° | 4.83 | 4.90 |
| Cost of transport + BMR (J m−1 kg−1) | 40° | 7.19 | 7.26 |
| Speed (m s−1) | 40° | 0.67 | 0.67 |
