Table 5

Changes in performance between the first and second screening rounds

TestΔ% non-injured (round 1 vs 2) n=70Δ% injured (round 1 vs 2) n=7OR between HMI and drops in performance (95% CI)
Jurdan2.60 (8.73)−2.04 (7.92)−0.69 (−2.27 to 0.88)
Jurdan asymmetry−1.54 (7.18)1.38 (5.08)1.73 (−0.43 to 3.90)
Active straight leg raise3.41 (8.77)0.48 (5.18)−0.69 (−2.27 to 0.88)
Active straight leg raise asymmetry−0.66 (5.25)−0.13 (4.46)0.86 (−0.85 to 2.57)
Kickback−0.44 (5.10)−0.38 (1.44)0.06 (−1.51 to 1.63)
Theoretical maximal horizontal force2.22 (5.09)−4.44 (2.89)−2.78 (−4.96 to 0.59)*
Hip force4.29 (16.0)0.37 (6.12)0.27 (−1.45 to 1.98)
Hip force asymmetry1.34 (6.98)3.88 (9.55)1.14 (−1.03 to 3.32)
Knee force5.01 (12.3)−6.11 (10.2)−1.83 (−3.55 to to 0.11)*
Knee force asymmetry0.91 (8.76)2.03 (10.2)−0.46 (−2.03 to 1.11)
  • *p<0.5.

  • HMI, hamstring muscle injury.