1: Single-arm incline bench preacher curl
3-4 sets of 10-13reps,rest 16-20 seconds between sets
2: Standing resistance band curls
3-4 sets of 15-20reps,rest 16-20 seconds between sets
3: Incline dumbbell curls
3 sets of 10-15 reps,rest 16-20 seconds between sets
4: Standing hammer curls
3 sets of 10-12 reps and take rest of 16-20 seconds between sets