Table 2.
Bone length measurements of appendicular skeletal joints
| Limb | Bone | Mean ± SE in mm (Aquatic) | Mean ± SE in mm (Terrestrial) |
|---|---|---|---|
| Forelimb | Humerus | 16.33 ± 0.26 | 15.76 ± 0.26 |
| Forelimb | Radius | 7.98 ± 0.16 | 7.46 ± 0.13 |
| Forelimb | Ulna | 9.15 ± 0.28 | 8.94 ± 0.28 |
| Forelimb | Metacarpal 1 | 4.26 ± 0.11 | 3.94 ± 0.11 |
| Forelimb | Metacarpal 2 | 5.66 ± 0.06 | 5.29 ± 0.06* |
| Forelimb | Metacarpal 3 | 5.55 ± 0.04 | 5.14 ± 0.04* |
| Forelimb | Metacarpal 4 | 4.64 ± 0.09 | 4.34 ± 0.09 |
| Hindlimb | Femur | 14.26 ± 0.12 | 13.65 ± 0.12 |
| Hindlimb | Tibia | 8.47 ± 0.15 | 8.15 ± 0.15 |
| Hindlimb | Fibula | 7.99 ± 0.17 | 7.82 ± 0.17 |
| Hindlimb | Metatarsal 1 | 3.89 ± 0.10 | 3.71 ± 0.10 |
| Hindlimb | Metatarsal 2 | 5.32 ± 0.08 | 4.89 ± 0.08 |
| Hindlimb | Metatarsal 3 | 5.87 ± 0.02 | 5.45 ± 0.02* |
| Hindlimb | Metatarsal 4 | 5.64 ± 0.04 | 5.22 ± 0.04* |
| Hindlimb | Metatarsal 5 | 4.66 ± 0.09 | 4.34 ± 0.09 |
Bone length (mm) measurements from forelimbs and hindlimbs. Data are presented as mean ± standard error, with an asterisk (*) designating statistical significance.