Comparison between ultrasound evaluations of the tennis players and controls by ultrasonography
| Variable studied | Tennis players (n = 106) | Controls (n = 40) |
|---|---|---|
| Subacromial space: 0° (mm) | ||
| Mean (SD) | 8.79 (1.52) | 9.80 (1.40) |
| Minimum/maximum | 5.5/13.2 | 7.6/13.9 |
| p Value | <0.001 | |
| Subacromial space: 60° abduction (mm) | ||
| Mean (SD) | 7.19 (1.55) | 7.62 (1.52) |
| Minimum/maximum | 4.5/11.9 | 4.6/10.8 |
| p Value | 0.136 | |
| Subacromial space: reduction (0°–60° abduction) (mm) | ||
| Mean (SD) | 1.60 (0.89) | 2.18 (1.14) |
| Minimum/maximum | −0.3/4.1 | 0.1/5.5 |
| p Value | 0.001 | |