Table 3

Isokinetic and functional test results

No ACL graft rupture (n=132)ACL graft rupture (n=26)p Value
VariablesUnadjustedBenjamini–Hochberg
Peak torque to body weight at 60°/s (%)
 Uninvolved quadriceps331 (62)339 (73)0.550.79
 Involved quadriceps303 (55)309 (74)0.650.76
 Uninvolved hamstrings180 (28)174 (30)0.300.45
 Involved hamstrings172 (31)159 (33)0.050.07
Bilateral difference at 60°/s (%)
 Quadriceps−8 (13)−9 (14)0.880.88
 Hamstrings−4 (13)−8 (14)0.160.48
Hamstring to quadriceps ratio at 60°/s (%)
 Involved leg58 (10)53 (11)0.040.12
 Uninvolved leg55 (8)52 (8)0.150.23
Average power at 60°/s (W)
 Uninvolved quadriceps163 (35)160 (38)0.670.79
 Involved quadriceps149 (32)146 (37)0.650.76
 Uninvolved hamstrings97 (19)93 (18)0.310.45
 Involved hamstrings91 (19)79 (21)0.0060.04
Peak torque to body weight at 180°/s (%)
 Uninvolved quadriceps238 (35)235 (38)0.690.79
 Involved quadriceps217 (36)207 (41)0.230.51
 Uninvolved hamstrings145 (24)137 (24)0.130.45
 Involved hamstrings140 (26)129 (27)0.070.08
Bilateral difference at 180°/s (%)
 Quadriceps−9 (10)−12 (12)0.210.48
 Hamstrings−3 (13)−5 (15)0.540.67
Hamstring to quadriceps ratio at 180°/s (%)
 Involved leg65 (10)63 (13)0.510.75
 Uninvolved leg61 (9)58 (7)0.140.23
Average power at 180°/s (W)
 Uninvolved quadriceps301 (58)296 (67)0.680.79
 Involved quadriceps277 (57)264 (65)0.290.51
 Uninvolved hamstrings179 (42)172 (37)0.430.50
 Involved hamstrings173 (41)154 (32)0.030.07
Peak torque to body weight at 300°/s (%)
 Uninvolved quadriceps189 (27)185 (33)0.360.79
 Involved quadriceps177 (32)167 (30)0.160.51
 Uninvolved hamstrings134 (23)126 (23)0.120.45
 Involved hamstrings128 (24)118 (17)0.040.07
Bilateral difference at 300°/s (%)
 Quadriceps−6 (13)−9 (12)0.320.48
 Hamstrings−3 (16)−5 (14)0.670.67
Hamstring to quadriceps ratio at 300°/s (%)
 Involved leg74 (12)73 (15)0.750.75
 Uninvolved leg71 (11)70 (15)0.500.50
Average power at 300°/s (W)
 Uninvolved quadriceps303 (60)292 (64)0.400.79
 Involved quadriceps280 (61)259 (51)0.110.51
 Uninvolved hamstrings173 (43)172 (48)0.970.97
 Involved hamstrings171 (47)148 (30)0.020.07
Work fatigue at 300°/s (%)
 Uninvolved quadriceps34 (9)34 (15)0.790.79
 Involved quadriceps32 (12)32 (9)0.980.98
 Uninvolved hamstrings37 (11)35 (11)0.320.45
 Involved hamstrings36 (11)34 (16)0.410.41
Average t test time (s)10 (1)10 (1)0.920.92
Limb symmetry index (%)
 Single hop97 (6)99 (5)0.160.48
 Triple hop98 (7)99 (4)0.520.78
 Crossover hop99 (7)99 (8)0.900.90
  • Data are presented as mean (SD).

  • Bold type indicates statistical significance.