Trying to shock my arms into growing

[programdude]

I usually do triceps after chest
3 sets of skullcrushers to failure
3 sets of dumbell extensions
In conjunction with chest workout they are usually finished

Biceps I do
3 sets of dumbell curls to fail
either 3 sets of seated machine preachers or straight barbell curls to fail
hammers 3 sets to fail

[EasyDoesIt]

I usually do triceps after chest
3 sets of skullcrushers to failure
3 sets of dumbell extensions
In conjunction with chest workout they are usually finished

Biceps I do
3 sets of dumbell curls to fail
either 3 sets of seated machine preachers or straight barbell curls to fail
hammers 3 sets to fail

So are you just doing arms once a week?
If you are i would do them twice.
Also on one of your bicep days do them after back. I do pullups as first back exercise as i am freshest and they are hardest to do. I also do variations. Try doing pullups at 4 or 5 sets whatever reps you can do to failure. Add 3 additional sets of negatives.
Negatives Description: Jump up to have your chin to bar and lower slowly with control so as not to swing body. Do to failure. Do 3 sets
Add 3 sets negative chin ups to failure.
Complete your back workout. Your biceps will be hurting and no need to warm up for curls. Do your bicep routine, but start switching routines. Your biceps will be trashed. Try extending your wrist back through all curl movements and do not keep them even with wrist or curl forward towards end it just takes stress off bi's.
So you will do a bi and a tri on each of major muscle group day and then add a day where super setting bi and tri together with no major muscle group work. Maybe an ab routine that day also or nothing else.
Look into variety on switching up your bi and tri routines. Dips are good for tri but they have to be done differently than chest. Completely different and it's hard to explain bud.
Without trying to teach technique in a post or specific exercises that would be a starter. I have to run so i hope i was clear enough. Any questions leave a comment.