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Beyond arm positioning, Grant encourages individuals to be mindful of their grip. By slightly turning the inner palm upward as one performs the curl, there's a notable increase in tension within the bicep, enhancing the effectiveness of the exercise. This adjustment can also be performed individually or with both arms, depending on the trainer's comfort level.
Grant's simple advice is to monitor the position of your dumbbells. If banging occurs while executing the curls with both arms, he suggests alternating one arm at a time to maintain stability and focus on form.