Characteristics of the overhead athletes recruited for face validation and known-group validation of the KJOC-N (n=33)
| Age (years), mean (SD) | 18.6 (4.2) |
| Gender (n) | |
| Male | 10 |
| Female | 23 |
| Sport (n) | |
| Handball | 23 |
| Volleyball | 8 |
| Tennis | 2 |
| Sporting level (n) | |
| International elite level | 7 |
| National elite level | 4 |
| Lower levels | 22 |
KJOC-N, Norwegian version of Kerlan-Jobe Orthopaedic Clinic shoulder and elbow questionnaire.