Table 5

Internal consistency results for the Rugby Shoulder Score tested on rugby players with chronic stable shoulder injuries (n=11)

ItemHow much difficulty do you experience with the following activities due to your shoulder injury?Mean score (SD)Item-total correlationCronbach's α if item removed
1Pain/discomfort in everyday activities1.82 (0.75)0.610.96
2Pain/discomfort during training or playing2.45 (1.12)0.920.95
3Performing vigorous, rapid or explosive arm movements2.55 (1.37)0.840.95
4Reaching your affected arm across to the opposite shoulder1.73 (0.90)0.720.96
5Lifting your hand on your affected side up to your affected shoulder1.55 (0.82)0.590.96
6Placing your hand behind your head with your elbow straight out to the side2.00 (0.89)0.830.96
7Pushing or pulling forcefully2.55 (1.44)0.790.96
8Carrying or lifting heavy objects off the ground1.82 (1.08)0.840.96
9Performing bench presses2.73 (1.42)0.620.96
10Reaching upwards2.09 (1.30)0.940.95
11Using your affected arm overhead for prolonged periods (>2 min)2.91 (1.51)0.430.96
12Putting force through your shoulder at extremes of range of movement3.55 (1.44)0.780.96
13Overhead ball handling2.00 (1.18)0.90.95
14Performing hand-offs1.72 (1.01)0.820.96
15Passing1.55 (0.82)0.40.96
16Carrying a ball with strength in the crook of your arm1.45 (0.69)0.60.96
17Tackling2.45 (1.51)0.930.95
18Pushing up from the ground2.00 (1.18)0.920.95
How much does:
19Shoulder pain/discomfort affect your overall shoulder function?2.36 (0.92)0.920.95
20Your shoulder injury affect your overall ability to train or play competitively?2.18 (1.60)0.740.96
Cronbach's α for scoring system0.96