Why? This unilateral move focuses on one arm at a time, ensuring balanced muscle development. The supinated grip (palms up) helps isolate the biceps, promoting growth and strength in each arm.

Generally, a supinated (palms up) grip will emphasize the biceps-brachii, the large two-headed muscle in the front of the ...

Wrong, because while bicep curls and hammer curls can complement each other, they also target different parts of the arm. While supinated (underhand) bicep curls will help you improve the peak of ...