Table 3.
Inertial parameters of forelimb segments of 7 cats for whom joint moments of force were computed (mean ± SD)
| Parameter | Scapula | Upper arm | Forearm | Carpals | Digits |
|---|---|---|---|---|---|
| Center of mass location, cm | 2.75±0.24 | 4.53±0.21 | 4.30±2.1 | 1.37±0.27 | 1.27±0.41 |
| Mass, g | 63.1±4.0 | 81.0±6.6 | 41.6±3.3 | 7.5±1.6 | 5.1±1.3 |
| Moment of inertia, g · mm2 | 35004±2833 | 59760±9617 | 35388±4338 | 587±179 | - |
Notes. Segment inertial parameters were computed from cat mass and forelimb segment length using regression equations developed in (Hoy and Zernicke, 1985). Center of mass location is determined from the proximal segment end. Moment of inertia is determined with respect to the medio-lateral axis at the segment center of mass. Digits are considered a point mass, i.e., there is no moment of inertia with respect to the digits center of mass.