End your week strong with this bicep workout. Use drop sets to help burnout each exercise.
 
Barbell spider curl
-2 warm up sets 4 drop-sets (1 drop) 8-12 reps
Overhead Cable Curl
-4 drop-sets (1 drop) 8-12 reps
Concentrated bicep curl
-4 drop-sets (1 drop) 8-12 reps
Rope Cable Curl
-3 sets 21s
 
https://youtu.be/xGRqpyPSLS8