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.