Is it ok to have upward EZ rows on back and shoulder day to work lower traps on back day, and shoulder on shoulder day? Heres how its lookin, ive got a pretty focused shoulder workout because i want to build em to match the rest o my arm...which they arent, this is all on a 4 day split 2...60 seconds between sets/90 seconds between excersises

Day 1-Back/Bi
Barbell shrugs 4x8
Bent over barbell row 5x8
EZ Bar upward row 3x8
Deadlifts 3x7
Barbell curls 3x6
Dumbell curls 3x6
Hammer curls 3x6
Standing calf raise 75 rep/4 min workout

Rest Day

Day 2-Shoulders/Neck
Weighted neck flexion 5x6
Weighted neck extension 5x6
Lateral Raises 3x8 to prefatigue shoulder
Front lateral raises 3x8 supersetted with Dumbell shoulder raise 3x6
EZ Bar upward row 3x8
Rear lateral raise 3x8
Reverse calf raise 75 rep, 4 min workout

Rest Day

Day 3-Legs/Abs
Squats 3x8
Lunge 3x8
Good mornings 4x8
Weighted crunch 4 sets of as many as possible
Twisting weighted crunch 4 sets of as many as possible
Single leg calf raise 75 rep, 4 min workout

Day 4-Chest/Tri
Kickbacks 3x6
Skullcrushers 3x6
One arm dumbell tricep extension 3x6
Dumbell flyes 3x8
Dumbell benchpress 3x8
Pressups 4 sets of as many as possible

Rest Day