Exercises for the back of the arm include:
None of the below
Standing barbell curls
Preacher curls
Double-arm curls, low pulley
Tricep dips
Tricep overhead extension
Tricep kickbacks
Skull crushers
None of the below
Standing barbell curls
Preacher curls
Double-arm curls, low pulley
Tricep overhead extension
Tricep kickbacks
Skull crushers