Table 3 Univariate analysis for the association between LBP and limited range of motion of the lower extremities by age categories
Age ≤ 10 years, n = 195 | Players without seasonal LBP n = 960 | Players with seasonal LBP n = 255 | P value |
|---|---|---|---|
n = 189 | n = 6 | ||
Positive Thomas test | |||
TS | 59 (31.2) | 2 (33.3) | 1.00 |
NTS | 52 (27.5) | 2 (33.3) | 0.67 |
Positive SLR test | |||
TS | 25 (13.2) | 0 (0.0) | 0.34 |
NTS | 23 (12.2) | 1 (16.7) | 0.74 |
Positive HKT | |||
TS | 19 (10.1) | 0 (0.0) | 0.41 |
NTS | 20 (10.6) | 0 (0.0) | 0.40 |
Age 11–12 years, n = 290 | n = 253 | n = 37 | |
|---|---|---|---|
Positive Thomas test | |||
TS | 103 (40.7) | 17 (46.0) | 0.55 |
NTS | 90 (35.6) | 18 (48.7) | 0.12 |
Positive SLR test | |||
TS | 47 (18.6) | 12 (32.4) | 0.06 |
NTS | 46 (18.2) | 11 (29.7) | 0.10 |
Positive HKT | |||
TS | 72 (28.5) | 19 (51.4) | 0.0051* |
NTS | 75 (29.6) | 18 (48.7) | 0.021* |
Age 13–14 years, n = 320 | n = 249 | n = 71 | |
|---|---|---|---|
Positive Thomas test | |||
TS | 97 (39.0) | 37 (52.1) | 0.048* |
NTS | 102 (41.0) | 31 (43.7) | 0.68 |
Positive SLR test | |||
TS | 65 (26.1) | 15 (21.1) | 0.39 |
NTS | 60 (24.1) | 17 (23.9) | 0.98 |
Positive HKT | |||
TS | 118 (47.4) | 41 (57.8) | 0.12 |
NTS | 124 (49.8) | 42 (59.2) | 0.16 |
Age 15–16 years, n = 410 | n = 269 | n = 141 | |
|---|---|---|---|
Positive Thomas test | |||
TS | 128 (47.6) | 72 (51.1) | 0.50 |
NTS | 131 (48.7) | 72 (51.1) | 0.65 |
Positive SLR test | |||
TS | 66 (24.5) | 32 (22.7) | 0.68 |
NTS | 49 (18.2) | 22 (15.6) | 0.51 |
Positive HKT | |||
TS | 160 (59.5) | 88 (62.4) | 0.56 |
NTS | 159 (59.1) | 89 (63.1) | 0.43 |