the long and short heads of the biceps brachii, the brachialis (your elbow flexor), and the brachioradialis (forearm muscles). Before diving into the workouts, let’s take a closer look at the ...

Functionally, the biceps are key players in elbow flexion (bending the arm), forearm supination (rotating the forearm so the palm faces upward, like turning a doorknob or opening a jar), and shoulder ...