Table 1. Range of motion, laxity, and HR measures between D and ND arms for entire group. Data are means (±1 SD).
| Measurement |
Dominant |
Non-Dominant |
Difference |
p value |
| ER at 0 (degrees) |
69.8 (27.8) |
74.2 (12.3) |
-4.4 |
.49 |
| ER at 90 (degrees) |
123.7 (12.8) |
10.0 (9.6) |
18.7 |
<.0001* |
| IR at 0 (degrees) |
6.9 (2.5) |
5.6 (1.9) |
1.3 |
.07 |
| IR at 90 (degrees) |
47.4 (16.7) |
65.9 (17.0) |
-18.5 |
.0006* |
| Elevation (degrees) |
164.7 (8.7) |
167.9 (7.3) |
-3.2 |
.1882 |
| Cross-body adduction (cm) |
10.6 (4.6) |
8.7 (4.7) |
1.9 |
.1811 |
| Ant. Laxity (mm) |
2.3 (.7) |
2.3 (.7) |
0 |
1 |
| Post. Laxity (mm) |
2.1 (.65) |
2.1 (.75) |
0 |
.8355 |
| Inf. Laxity (mm) |
10.9 (2.8) |
11.0 (2.2) |
-0.1 |
.9068 |
| Total arc of motion (degrees) |
171.6 (16.0) |
171.1 (17.0) |
0.5 |
.922 |
| Humeral Retroversion (degrees) |
29.7(11.0) |
18.5 (9.3) |
11.2 |
.0008* |
* Denotes statistical significance at p < 0.05.
