Table 5

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

Item	How much difficulty do you experience with the following activities due to your shoulder injury?	Mean score (SD)	Item-total correlation	Cronbach's α if item removed
1	Pain/discomfort in everyday activities	1.82 (0.75)	0.61	0.96
2	Pain/discomfort during training or playing	2.45 (1.12)	0.92	0.95
3	Performing vigorous, rapid or explosive arm movements	2.55 (1.37)	0.84	0.95
4	Reaching your affected arm across to the opposite shoulder	1.73 (0.90)	0.72	0.96
5	Lifting your hand on your affected side up to your affected shoulder	1.55 (0.82)	0.59	0.96
6	Placing your hand behind your head with your elbow straight out to the side	2.00 (0.89)	0.83	0.96
7	Pushing or pulling forcefully	2.55 (1.44)	0.79	0.96
8	Carrying or lifting heavy objects off the ground	1.82 (1.08)	0.84	0.96
9	Performing bench presses	2.73 (1.42)	0.62	0.96
10	Reaching upwards	2.09 (1.30)	0.94	0.95
11	Using your affected arm overhead for prolonged periods (>2 min)	2.91 (1.51)	0.43	0.96
12	Putting force through your shoulder at extremes of range of movement	3.55 (1.44)	0.78	0.96
13	Overhead ball handling	2.00 (1.18)	0.9	0.95
14	Performing hand-offs	1.72 (1.01)	0.82	0.96
15	Passing	1.55 (0.82)	0.4	0.96
16	Carrying a ball with strength in the crook of your arm	1.45 (0.69)	0.6	0.96
17	Tackling	2.45 (1.51)	0.93	0.95
18	Pushing up from the ground	2.00 (1.18)	0.92	0.95
	How much does:
19	Shoulder pain/discomfort affect your overall shoulder function?	2.36 (0.92)	0.92	0.95
20	Your shoulder injury affect your overall ability to train or play competitively?	2.18 (1.60)	0.74	0.96
	Cronbach's α for scoring system	0.96