I started this some time ago and they then started to grow
Split:
mon: Chest + Triceps puchdowns(3 sets of 8-10reps each)
tue: back + hammercurls
Wedn: Off
Thu: shhoulders(only one press movement as I do not want to involve triceps too much)
Fri, legs
Sat: Arms
SAturday: Biceps + triceps
Triceps:
Reverse close grip bench or close grip machine bench press 5x5
Scullcruchers 10-12reps, strict..
Tricepspressdowns 10-6-4 or something like that
Next time(next week)
Dips 5x5
Triceps pressdowns 6-8reps
one arm Dumbell sculls OH(seated). 10-6-3
Dips between 2 benches MAX reps 1 set
Next time
Close grip bench(not reverse grip) 5x5
Sculls
Triceps pressdowns
Next time
Sculls 5x5
Triceps pressdowns
Reverse grip bench, light weight..
Next time
triceps pressdowns 2 set 12reps each
Then Dips or narrow bench or sculls, 5 set, 6-8reps each
end with OH dumbell and 1 set kickbacks.