Table 6. Group comparison of strength variables.
WBV Program Standard Program
Isokinetic Testing Hamstring ratio, %
Week 2 N/A N/A
Week 5 N/A N/A
Week 8 64 ± 15 (57-71) 66 ± 15 (59-73)
Week 11 76 ± 11 (71-81) 72 ± 11 (68-77)
Isokinetic Testing Quadriceps ratio, %
Week 2 N/A N/A
Week 5 N/A N/A
Week 8 .54 ± .18 (.46-.62) .55 ± .18 (.47-.63)
Week 11 .67 ± .18 (.59-.75) .62 ± .18 (.54-.70)
Isometric Testing Hamstring ratio, %
Week 2 56 ± 18 (48-64) 56 ± 16 (49-63)
Week 5 63 ± 15 (56-70) 63 ± 18 (55-71)
Week 8 68 ±16 (61-75) 65 ± 15 (58-72)
Week 11 77 ± 17 (70-85) 75 ± 17 (68-83)
Isometric Testing Quadriceps ratio, %
Week 2 58 ± 25 (47-69) 57 ± 20 (48-66)
Week 5 58 ± 25 (47-69) 57 ± 18 (49-65)
Week 8 62 ± 21 (53-71) 67 ± 3 (66-68)
Week 11 64 ± 9 (60-68) 70 ± 3 (69-71) *
Surgical limb as percentage of nonsurgical limb (i.e. surgical / nonsurgical x 100). Data are presented as mean ± standard deviation (95% confidence interval).N/A = value is not available.* p < 0.05 between WBV and standard program.