HOW: Get set up with dumbbells or weights in each hand. Perform bicep curls with your thumbs facing and your forearm in a neutral position, both of your palms should be facing one another as you perform the curls.
FEEL: You should feel your biceps and the top of your forearm muscles working with this exercise.
COMPENSATION: Maintain good back, shoulder, arm, and wrist position while performing the curls. Keep your thumbs facing up with your forearm in a neutral position.