Lil help please

[JNel04]

my workout as of now looks like this (does it need change?)...
chest, abs
Legs, forearms
off
shoulders, back
off
bi's, tri's
off

this is what i was thinkin bout switchin it to (or somethin close to it)...
chest,abs
back, bi's
off
legs, forearms
shoulders, tri's
off
off

also when doin a back/bi or shoulder/tri workout is best to do all back or shoulders and then do the bi or tri's. or switch off everyother exercise?

[Flexor]

all I can see is abs once a week, that seems like severe undertraining to me

[JNel04]

all I can see is abs once a week, that seems like severe undertraining to me

i throw them in usually on my legs day or on a day off