I was wondering what has been the more proven routine?should I hit each muscle group really hard once a week like this.
mon.chest tri's
tues.legs
wen.back bi's
thur.off
fri.shoulders delts
sat. sun. off
Or shouls I hit each muscle group twice a week like this?
mon.chest,shoulders
tues.legs
wen.back and bi's
thurs.off
fri. start over
I want to build muscle the best way what u think?