Table 3 Hip range of motion measurements by activity level
| Â | High activity with sports | Low activity with or without sports | ||
|---|---|---|---|---|
Baseline N = 32 | 24 months N = 29 | Baseline N = 4 | 24 months N = 4 | |
Anterior impingement test, n (%) | ||||
Left hip | Â | Â | Â | Â |
 Positive | 0 (0) | 1 (3) | 0 (0) | 0 (0) |
 Negative | 32 (100) | 28 (97) | 4 (100) | 4 (100) |
Right hip | Â | Â | Â | Â |
 Positive | 0 (0) | 2 (7) | 0 (0) | 0 (0) |
 Negative | 32 (100) | 27 (93) | 4 (100) | 4 (100) |
Posterior impingement test, n (%) | ||||
Left hip | Â | Â | Â | Â |
 Positive | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
 Negative | 32 (100) | 29 (100) | 4 (100) | 4 (100) |
Right hip | Â | Â | Â | Â |
 Positive | 1 (3) | 1 (3) | 0 (0) | 0 (0) |
 Negative | 31 (97) | 28 (97) | 4 (100) | 4 (100) |
Log roll test, n (%) | ||||
Left hip | Â | Â | Â | Â |
 Positive | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
 Negative | 32 (100) | 29 (100) | 4 (100) | 4 (100) |
Right hip | Â | Â | Â | Â |
 Positive | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
 Negative | 32 (100) | 29 (100) | 4 (100) | 4 (100) |
Left hip range of motion, mean (SD) | Â | Â | Â | Â |
 Flexion | 127.38 (10.13) | 125.86 (8.67) | 127.75 (6.85) | 123.75 (11.09) |
 Extension | 31.50 (6.55) | 29.03 (7.65) | 27.75 (3.86) | 27.50 (8.66) |
 Abduction | 53.56 (14.42) | 59.90 (14.38) | 50.00 (15.14) | 51.25 (13.15) |
 Adduction | 33.72 (8.68) | 32.41 (7.27) | 33.25 (4.99) | 26.25 (7.50) |
 Internal rotation (neutral) | 40.03 (15.73) | 37.86 (11.68) | 48.75 (6.99) | 41.25 (14.93) |
 External rotation (neutral) | 59.06 (12.39) | 54.03 (14.97) | 63.50 (9.43) | 48.75 (22.87) |
 Internal rotation (90° flexion) | 34.13 (10.86) | 32.86 (13.67) | 34.50 (13.96) | 30.00 (17.32) |
 External rotation (90° flexion) | 57.69 (16.59) | 57.93 (16.77) | 50.00 (24.51) | 52.5 (22.17) |
Right hip range of motion, mean (SD) | Â | Â | Â | Â |
 Flexion | 126.19 (10.17) | 124.93 (9.05) | 129.75 (6.85) | 121.25 (10.31) |
 Extension | 31.06 (6.06) | 28.10 (7.72) | 28.00 (2.45) | 27.50 (8.66) |
 Abduction | 53.84 (14.28) | 58.10 (13.52) | 54.00 (15.51) | 53.75 (13.77) |
 Adduction | 33.25 (7.80) | 32.93 (8.19) | 31.75 (2.36) | 27.50 (9.57) |
 Internal rotation (neutral) | 40.22 (14.6) | 35.24 (13.09) | 43.75 (17.02) | 40.00 (13.54) |
 External rotation (neutral) | 58.50 (13.) | 55.86 (14.88) | 54.25 (18.30) | 52.50 (23.27) |
 Internal rotation (90° flexion) | 34.56 (11.73) | 32.48 (13.74) | 43.25 (10.72) | 30.00 (17.32) |
 External rotation (90° flexion) | 58.78 (17.01) | 58.48 (14.53) | 56.00 (21.42 | 51.25 (21.75) |