Table 1 Descriptive values and comparison study among age competition subgroups.
U14 (n = 17) | U16 (n = 31) | U18 (n = 12) | Dif. intergroup | |
|---|---|---|---|---|
Mean (SEM) | Mean (SEM) | Mean (SEM) | p values | |
Anthropometric variables | ||||
Age (years) | 13.4 (0.9) | 15.2 (0.6) | 17.3 (0.7) | |
Height (m) | 1.62 (0.07) | 1.70. (0.07) | 178.1 (0.06) | < 0.001* |
Weight (kg) | 53.7 (8.7) | 59.9 (7.7) | 71.3 (6.2) | < 0.001* |
Dominant leg (n (percentage)) | ||||
Right | 15 (88.2%) | 27 (87.1%) | 10 (83.3%) | 0.243 |
Left | 2 (11.8%) | 4 (12.9%) | 2 (16.7%) | 0.581 |
Hip strength variables | ||||
AD hip strength left leg (w) | 226.0 (54.3) | 233.2 (47.7) | 236.8 (45.1) | 0.881 |
AD hip strength right leg (w) | 241.0 (59.3) | 242.8 (46.4) | 253.4 (45.2) | 0.677 |
ABD hip strength left leg (w) | 218.8 (55.7) | 242.6 (36.0) | 261.6 (40.1) | 0.048* |
ABD hip strength right leg (w) | 208.1 (58.8) | 234.6 (42.2) | 246.3 (43.8) | 0.030* |
Inter-limb AD hip strength difference (%) | 6.5 (5.2) | 5.8 (4.4) | 4.7 (2.6) | 0.537 |
Inter-limb ABD hip strength difference (%) | 7.3 (5.0) | 6.1 (5.5) | 6.2 (4.2) | 0.734 |
AD/ABD ratio activation left leg (0 to 2) | 1.0 (0.2) | 1.0 (0.1) | 1.0 (0.5) | 0.488 |
AD/ABD ratio activation right leg (0 to 2) | 1.2 (0.2) | 1.1 (0.5) | 0.9 (0.2) | 0.137 |
Balance and ankle mobility variables | ||||
Ankle DF test right leg | 12.1 (2.3) | 12.2 (2.9) | 12.4 (3.3) | 0.983 |
Ankle DF test left leg | 12.6 (2.2) | 12.4 (2.9) | 12.5 (3.2) | 0.774 |
Compound Y Balance Test left leg (cm) | 79.2 (5.1) | 82.9 (6.8) | 91.7 (4.6) | 0.369 |
Compound Y balance test right leg (cm) | 76.6 (4.4) | 81.7 (7.0) | 89.6 (2.7) | 0.647 |
Inter-limb difference in compound Y balance test (%) | 4.6 3.9) | 4.0 (2.4) | 3.5 (2.2) | 0.416 |