Only the active scapular correction produced a reduction in pain ( pre , 6.3 1.2 ; post , 3.7 2.4 ; P < .05 ) and increase in pressure pain threshold ( pre , 8.7 4.2 kg/cm ( 2 ) ; post , 10.1 3.8 kg/cm ( 2 ) ; P < .05 ) at the most painful cervical segment .