Table 1.
Muscle loadings for the first three M-modes
| Muscle | M1-mode | M2-mode | M3-mode |
|---|---|---|---|
| BRRA | −0.0208 | 0.6487 | −0.0195 |
| ECRA | −0.0789 | 0.6598 | 0.0283 |
| ECUL | −0.0517 | −0.0762 | 0.8056 |
| FCRA | 0.2254 | 0.3269 | 0.0088 |
| FCUL | −0.0036 | 0.1135 | 0.5805 |
| BICP | 0.4080 | 0.0603 | −0.0030 |
| LGTR | 0.4566 | −0.0127 | 0.0091 |
| LATR | 0.4462 | −0.0840 | 0.0971 |
| PDEL | 0.4512 | −0.0482 | 0.0347 |
| LATD | 0.4029 | 0.0713 | −0.0454 |
Results of the PCA after Varimax rotation and factor extraction for a representative subject. The columns show the loading factors for the three M-modes with the significant values shown in bold. BRRA - brachioradialis, ECRA - extensor carpi radialis, ECUL - extensor carpi ulnaris, FCRA - flexor carpi radialis, FCUL - flexor carpi ulnaris, BICP - biceps, LGTR - triceps long head, LATR - triceps lateral head, PDEL - posterior deltoid, LATD – latissimus dorsi.