Table 2 Treatment efficacy categorized by starting range of motion
External rotation | < 15° | 15–29° | 30–44° | ≥ 45° |
|---|---|---|---|---|
n | 384 | 464 | 461 | 418 |
Initial external rotation (°) | 4.6 (6.5) | 20.6 (3.8) | 34.6 (4.5) | 55.7 (10.9) |
Last recorded external rotation (°) | 53.2 (22.1) | 54.5 (20.3) | 60.1 (18.5) | 68.7 (17.9) |
External rotation gain (°) | 48.6 | 33.9 | 25.5 | 13.0 |
Abduction | < 80° | 80–99° | 100–119° | ≥ 120° |
|---|---|---|---|---|
n | 603 | 423 | 213 | 204 |
Initial abduction (°) | 53.3 (18.2) | 87.5 (5.1) | 107.0 (5.8) | 135.2 (148) |
Last recorded abduction (°) | 111.8 (33.4) | 122.9 (29.6) | 133.9 (26.7) | 146.8 (25.8) |
Abduction gain (°) | 58.5 | 35.4 | 26.9 | 11.6 |
Forward flexion | < 80° | 80–109° | 110–129° | ≥ 130° |
|---|---|---|---|---|
n | 138 | 249 | 191 | 273 |
Initial flexion (°) | 52.2 (19.0) | 92.2 (7.6) | 117.8 (5.4) | 145.0 (11.6) |
Last recorded flexion (°) | 120.9 (33.3) | 130.7 (28.7) | 142.1 (22.2) | 152.7 (20.0) |
Flexion gain (°) | 68.7 | 38.5 | 24.3 | 7.7 |
Internal rotation | < 15° | 15–29° | 30–44° | ≥ 45° |
|---|---|---|---|---|
n | 50 | 55 | 121 | 231 |
Initial internal rotation (°) | 4.1 (4.9) | 21.2 (4.1) | 35.6 (4.6) | 59.4 (12.0) |
Last recorded internal rotation (°) | 50.7 (19.3) | 52.3 (25.4) | 54.9 (16.5) | 62.2 (16.9) |
Internal rotation gain (°) | 46.6 | 31.1 | 19.3 | 2.8 |