It's your triceps, not your biceps ... looked at the effect of ten weeks of bench press training on muscle growth. It found the pectoralis major (muscle in your chest) grew by 20 per cent ...
to stimulate the muscle to grow. Studies show that all of the compound pressing moves can leave the triceps underdeveloped. One study, published at the end of 2024, looked at the effect of ten weeks ...
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 ...