Table 1. Manuscript characteristics.
| First Author | Type of Shoulder Pain | Number of Subjects | Controls (n) |
|---|---|---|---|
| Alburquerque-Sendin (2013)23 | SIS | 27 | Asymptomatic age-, weight- and height-matched (20) |
| Paul (2012)24 | SIS | 31 | Asymptomatic (31) |
| Gwilym (2011)25 | SIS | 17 | Asymptomatic age- and sex- matched (17) |
| Hidalgo-Lozano (2010)26 | SIS | 12 | Asymptomatic age-matched (10) |
| Hidalgo-Lozano (2013)27 | USP | 17 | Asymptomatic Swimmers (18) Asymptomatic Athletes (15) |
| Coronado (2014)28 | USP | 58 | Asymptomatic age- and sex-matched (56) |
SIS: Subacromial Impingement Syndrome; USP: Unilateral Shoulder Pain.