Descriptive statistics profile of functional and somatometric characteristics for players with injured and uninjured hamstrings (N=100)
| Hamstring injured soccer players (N=16) | Hamstring uninjured soccer players (N=83) | |
|---|---|---|
| Age (years) | 22.94 (4.11) | 23.00 (3.27) |
| Weight (kg) | 74.71 (3.64) | 71.58 (5.96) |
| Height (cm) | 180.04 (4.97) | 176.36 (6.19) |
| RightM (SD) | LeftM (SD) | RightM (SD) | LeftM (SD) | ||
|---|---|---|---|---|---|
| Hamstring isokinetic strength (Nm) | Con 60°/s | 136.25 (22.57) | 133.38 (23.49) | 142.06 (30.51) | 133.05 (23.46) |
| Con 180°/s | 108.47 (16.53) | 101.72 (18.15) | 109.32 (21.19) | 103.07 (18.17) | |
| Con 300°/s | 93.78 (15.64) | 92.83 (18.63) | 98.42 (21.00) | 92.85 (20.52) | |
| Ecc 60°/s | 189.90 (43.46) | 187.49 (30.68) | 192.51 (52.06) | 191.80 (54.56) | |
| Ecc 180°/s | 188.36 (46.74) | 170.45 (44.40) | 186.62 (47.02) | 185.02 (46.26) | |
| Knee functional strength ratio | Hamstrings/quadriceps 180°/s | 1.11 (0.22) | 1.03 (0.26) | 1.14 (0.25) | 1.11 (0.24) |
| Muscle flexibility (°) | Hamstrings flexibility | 89.17 (15.00) | 90 (11.89) | 82 (14.37) | 89.11 (14.19) |
| Proprioception (percentage deterioration) | Kinaesthesis | 24.47 (10.57) | 24.66 (11.60) | 38.30 (16.91) | 45.05 (28.99) |
| Anthropometrics (cm) | Mid-thigh girth* | 53.14 (1.44) | 52.52 (1.43) | 52.34 (2.57) | 52.08 (2.50) |
| Lower-leg functional length* | 92.07 (4.30) | 92.25 (4.57) | 91.44 (4.67) | 91.61 (4.28) | |
| Joint stability (mm) | Anterior knee laxity | 7.29 (2.05) | 8.17 (2.48) | 7.82 (1.50) | 8.35 (2.47) |
↵* Intratester reliability (body sides): (1) technical error of measurements<1%; (2) intraclass correlation coefficient>0.98.
Con, concentric; Ecc, eccentric.