How can I effectively perform a crossbody hammer curl to target my biceps and forearms?

To effectively perform a crossbody hammer curl to target your biceps and forearms, hold a dumbbell in each hand with palms facing each other. Curl the weights up towards your opposite shoulder, keeping your elbows close to your body. Lower the weights back down slowly and repeat for desired reps. This exercise helps to work both the biceps and forearms effectively.