Abstract This EMG study examines the effectiveness of five popular biceps exercises—inclined curl, hammer curl, dumbbell curl, preacher curl, and wide-grip cable curl—in selectively activating the long and short heads of the biceps brachii using electromyography (EMG). Despite widespread beliefs about certain exercises targeting specific biceps heads, empirical evidence is often lacking. This research aimed to distinguish between anecdotal claims and scientific fact by analyzing […]