Mean values of supraspinatus thickness and acromiohumeral distance for both groups and differences from baseline
| Mean (SD) | Mean difference from baseline (95% CI) | |
| Supraspinatus thickness (mm) | ||
| Pain group | ||
| Baseline | 5.60 (0.88) | |
| 1 hr | 5.97 (0.72) | 0.38 (0.19 to 0.57)* |
| 6hrs | 6.12 (0.77) | 0.53 (0.34 to 0.71) |
| 24 hrs | 5.78 (0.90) | 0.18 (0.02 to 0.35)* |
| Control group | ||
| Baseline | 4.96 (0.67) | |
| 1 hr | 4.86 (0.54) | −0.11 (−0.31 to 0.10) |
| 6 hrs | 4.77 (0.62) | −0.2 (−0.40 to 0.01) |
| 24 hrs | 4.91 (0.66) | −0.1 (−0.23 to 0.13) |
| Acromiohumeral distance (mm) | ||
| Pain group | ||
| Baseline | 10.04 (1.06) | |
| 1 hr | 8.96 (0.91) | 1.1 (0.85 to 1.33)† |
| 6 hrs | 9.44 (1.02) | 0.6 (0.35 to 0.86)† |
| 24 hrs | 9.84 (1.02) | 0.2 (0.01 to 0.39) |
| Control group | ||
| Baseline | 9.58 (1.19) | |
| 1 hr | 8.94 (1.19) | 0.64 (0.38 to 0.90)† |
| 6 hrs | 9.27 (1.01) | 0.31 (0.04 to 0.58)* |
| 24 hrs | 9.62 (1.17) | −0.04 (−0.25 to 1.63) |
1 hr= 1 hour postexercise; 6 hrs=6 hours postexercise; 24 hrs=24 hours postexercise.
*Statistically significant result.
†Statistically significant result with mean difference greater or equal to the minimal detectable difference.