Research Article

Effects of Traditional Chinese Acupuncture Compared with Sham Acupuncture on the Explosive Force Production by the Forearm Muscles in Female: A Randomized Controlled Trial

Table 2

Mean ± SD of the elbow joint extension (Ext) muscles before and after acupuncture for each variable.

CharacteristicTreatmentPrePostDelta values
Main effects (time)Main effects (group)Interaction (time group)

Average max torque Ext/kg (nm/kg)SA0.37 ± 0.100.37 ± 0.090.000.0340.0040.005
TCA0.47 ± 0.140.53 ± 0.140.13
Average work Ext/kg (J/kg)SA0.31 ± 0.080.34 ± 0.100.100.0010.0470.028
TCA0.32 ± 0.090.45 ± 0.110.41
Average power Ext/kg (J/kg)SA0.22 ± 0.100.20 ± 0.07−0.090.2290.0600.032
TCA0.25 ± 0.130.31 ± 0.130.24
Average peak power Ext/kg (W/kg)SA0.34 ± 0.220.31 ± 0.21−0.090.0710.0840.002
TCA0.37 ± 0.430.49 ± 0.490.32
Average max speed Ext/kg (deg/skg)SA1.00 ± 0.250.96 ± 0.22−0.120.1780.0050.030
TCA1.21 ± 0.361.36 ± 0.380.34
Total work Ext (J)SA250.18 ± 67.47280.10 ± 70.810.12<0.0010.0730.037
TCA264.75 ± 84.25355.35 ± 90.630.34
Stiffness Ext (Nm/kgdeg)SA0.011 ± 0.0090.008 ± 0.004−0.270.3340.2610.009
TCA0.010 ± 0.0060.015 ± 0.0110.50

Note: values are mean ± SD. TCA, traditional Chinese acupuncture; SA, sham acupuncture. There are significant differences in the interaction between group and time ().