Repeatability of measurements of shoulder and neck movement included in the examination schedule
| Number of pairs | Between observer | |||||||
|---|---|---|---|---|---|---|---|---|
| Mean (obs 1) | Mean (obs 2) | Mean difference (obs 1—obs 2) | SD | Limits of agreement (mean (2SD) difference) | % pairs within 10° | % pairs within 20° | ||
| Shoulder: | ||||||||
| Range of active movement (°): | ||||||||
| abduction | 86 | 143.3 | 137.0 | 6.3 | 14.7 | (−23.1, 35.7) | 64 | 87 |
| forward flexion | 86 | 142.5 | 130.6 | 11.9 | 19.5 | (−27.1, 50.9) | 56 | 70 |
| extension | 86 | 62.0 | 56.6 | 5.4 | 14.0 | (−22.6, 33.4) | 72 | 88 |
| external rotation | 86 | 54.2 | 55.6 | −1.4 | 16.2 | (−33.8, 31.0) | 73 | 87 |
| internal rotation | 86 | 106.4 | 100.4 | 6.2 | 5.8 | (−5.4, 17.8) | 98 | 100 |
| Range of passive movement (°): | ||||||||
| abduction | 86 | 147.9 | 143.1 | 4.8 | 16.9 | (−29.0, 38.6) | 64 | 88 |
| forward flexion | 86 | 145.3 | 134.4 | 11.0 | 18.9 | (−26.8, 48.8) | 57 | 71 |
| extension | 86 | 62.8 | 56.7 | 6.1 | 13.7 | (−21.3, 33.5) | 70 | 88 |
| external rotation | 86 | 54.9 | 56.3 | −1.4 | 16.3 | (−34.0, 31.2) | 73 | 87 |
| internal rotation | 86 | 106.6 | 100.2 | 6.4 | 5.1 | (−3.8, 16.6) | 99 | 100 |
| Neck: | ||||||||
| Range of active movement (°): | ||||||||
| rotation (right) | 43 | 65.6 | 65.5 | 0.1 | 10.0 | (−19.9, 20.1) | 86 | 98 |
| rotation (left) | 43 | 65.6 | 70.5 | −4.9 | 10.5 | (−25.9, 16.1) | 77 | 95 |
| flexion | 43 | 53.8 | 47.7 | 6.2 | 12.9 | (−9.6, 32.0) | 60 | 91 |
| extension | 43 | 48.5 | 49.0 | −0.5 | 13.1 | (−26.7 ,25.7) | 67 | 98 |
| lateral flexion (right) | 43 | 42.3 | 39.1 | 3.3 | 11.0 | (−18.7, 25.3) | 72 | 98 |
| lateral flexion (left) | 43 | 41.3 | 32.3 | 2.2 | 14.9 | (−27.6, 32.0) | 65 | 88 |
Analysis is based on the 86 limbs (43 patients) examined both by the nurse and the rheumatologist.