Table 1. Means (±SD) of quadriceps inhibition (QI) over time and the change in lumbar paraspinal (LP) median frequency during the first and second exercise sets.
Control (n=25) History of LBP (n=25)
BSL QI (%) 9.92 (9.37) 9.27 (94.0)
Post Set 1 QI(%) 13.38 (9.80) 11.91 (.28)
Post Set 2 QI(%) 16.26 (9.85) 14.20 (9.73)
Set 1 DLPMedF(%) -17.10 (5.69) -16.61 (5.63)
Set 2 DLPMedF(%) -24.82 (8.37) -23.72 (5.84)
BSL: Baseline. ∆LP: % change in lumbar paraspinal median frequency during exercise set.