Univariate analysis of variables associated with left and right HMSI
| Variable | Right injured | Left injured | Uninjured | p Value |
|---|---|---|---|---|
| Right SLHB (reps) (mean (SD)) | 20.31 (6.77) | – | 25.98 (10.51) | 0.029† |
| Left SLHB (reps) (mean (SD)) | – | 27.58 (10.52) | 26.18 (10.15) | 0.705† |
| Previous right HMSI (n) | 6 | – | 66 | 0.02‡ |
| Previous left HMSI (n) | – | 4 | 62 | 0.07‡ |
| Mean age (years) (mean (SD)) | 23.50 (4.47) | 22.25 (5.23) | 20.58 (3.82) | 0.002* † |
| Previous right knee injury (n) | 5 | – | 54 | 0.035‡ |
| Previous left knee injury (n) | – | 1 | 55 | 1.00‡ |
| Right mean DF ROM (cm) (mean (SD)) | 12.53 (4.27) | – | 11.69 (3.59) | 0.339† |
| Left mean DF ROM (cm) (mean (SD)) | – | 13.18 (4.05) | 11.79 (3.44) | 0.146† |
| Right dominant leg (n) | 14 | 5 | 384 | 1.00‡ |
| Left dominant leg (n) | 2 | 7 | 70 | 0.001‡ |
*p Value represents result of injured (combined right and left) versus uninjured.
†Mann-Whitney U.
‡χ2.
DF, dorsiflexion; HMSI, hamstring muscle strain injuries; n, sample size; ROM, range of movement; SLHB, single leg hamstring bridge.