Table 3.
Neuromuscular characteristics in the favored arm vs. the non-favored arm in masters tennis players.
| Favored arm N = 11 | Non-favored arm N = 11 | P-value | |
|---|---|---|---|
| Muscle thickness (mm) | 34.2 (4.8) | 33.9 (4.7) | 0.575 |
| Elbow flexor MVC (N) | 215 (68) | 201 (70) | 0.044 |
| CMAP (μV) | 13137 (4953) | 11357 (4411) | 0.039 |
| sMUP (μV) | 75.6 (26.9) | 71.6 (42.1) | 0.867 |
| MUNE | 194 (83) | 163 (69) | 0.188 |
| iMUNE | 31.0 (14.4) | 31.6 (6.3) | 0.979 |
| MUP Area | 1120 (709–1709) | 934 (647–1430) | <0.001 |
mm, millimeters; CMAP, compound muscle action potential; sMUP, surface motor unit potential; MUNE, motor unit number estimate; iMUNE, intramuscular motor unit number estimate; MUP, motor unit potential. P-values for significant differences are shown in bold.