Table 3.
Bone area measurements of appendicular skeletal joints
| Limb | Bone | Mean ± SE in mm2 (Aquatic) | Mean ± SE in mm2 (Terrestrial) |
|---|---|---|---|
| Forelimb | Cartilago prepollicis | 1.09 ± 0.06 | 1.01 ± 0.06 |
| Forelimb | Radial carpal | 1.19 ± 0.03 | 0.97 ± 0.04* |
| Forelimb | Intermediate carpal | 2.50 ± 0.19 | 2.09 ± 0.16 |
| Forelimb | Ulnar carpal | 1.73 ± 0.07 | 1.49 ± 0.06 |
| Forelimb | Central carpal | 1.63 ± 0.03 | 1.51 ± 0.03 |
| Forelimb | Fused basal carpals of 1st and 2nd fingers | 1.71 ± 0.02 | 1.51 ± 0.02* |
| Forelimb | Basal carpal of 3rd finger | 0.91 ± 0.07 | 0.92 ± 0.07 |
| Forelimb | Basal carpal of 4th finger | 1.16 ± 0.14 | 1.22 ± 0.14 |
| Hindlimb | Cartilago prehallucis | 1.57 ± 0.15 | 1.54 ± 0.15 |
| Hindlimb | Tibial tarsal | 1.29 ± 0.06 | 1.25 ± 0.06 |
| Hindlimb | Intermediate tarsal | 3.26 ± 0.18 | 3.16 ± 0.18 |
| Hindlimb | Fibular tarsal | 3.61 ± 0.19 | 3.45 ± 0.19 |
| Hindlimb | Central tarsal | 2.73 ± 0.03 | 2.41 ± 0.03* |
| Hindlimb | Fused basal tarsals of 1st and 2nd toes | 2.01 ± 0.09 | 1.66 ± 0.09 |
| Hindlimb | Basal tarsals of 3rd toe | 1.32 ± 0.06 | 1.24 ± 0.06 |
| Hindlimb | Basal tarsals of 4th toe | 1.43 ± 0.08 | 1.37 ± 0.08 |
| Hindlimb | Basal tarsals of 5th toe | 0.86 ± 0.02 | 0.72 ± 0.02 * |
Bone area (mm2) measurements from forelimbs and hindlimbs. Data are presented as mean ± standard error, with an asterisk (*) designating statistical significance.