Question: what are best bicep workouts?
Answer: Seated Alternating Dumbbell Curl. When discussing valuable bicep exercises, We'd be remiss not to start things off with the tried-and-true dumbbell curl. ... 
Alternating Incline Dumbbell Curl. ... 
Seated Alternating Hammer Curl. ... 
Standing Reverse Barbell Curl. ... 
Standing Cable Curl.