Part 4/7:
Alternatively, if the goal is to enhance the long head of the bicep, which gives the muscle its peak, a more nuanced positioning is required. Grant advises allowing the dumbbells to hang while focusing on bringing the hands together and slightly turning the wrists inward.
This inward twist is essential; it directs attention to the outer bicep muscle, focusing on the long head. Grant highlights that a simple shift in hand placement can significantly alter the muscle's engagement during the curl.