beforeex afterex beforecon aftercon percvincr group 300 320 320 330 3.1 control 220 235 240 250 4.2 control 400 410 250 210 -16 control 310 320 240 220 -8.3 control 200 250 400 350 -12.5 control 420 430 270 200 -26 control 260 300 300 280 -6.7 control 250 260 4 control 300 220 -26.7 control 300 290 -3.3 control 6.7 exercise 17.5 exercise 2.5 exercise 3.2 exercise 25 exercise 2.4 exercise 15.4 exercise