The biceps is highly active during resistance exercises that include pulling - type movements such as upper - body horizontal and vertical pulls. (strengthandconditioningresearch.com)
Again, wrapping a resistance band around a fixed object will allow a row type movement to be performed. (womenshealthandfitness.com.au)
They also happen to produce more power than isolation - type movements by allowing us to move large loads over long distances, quickly. (treehugger.com)