23. Dumbbell Spider Curls: An exercise good enough for Peter Parker will certainly put a little bulge in those biceps. Lie face down on an incline bench supporting your weight on your toes. Hold a pair of dumbbells straight out in front of you with palms facing out. Curl the weight up to full contraction without rocking back and forth. (Isolation, baby!) Return the weight to starting position. Want to change it up a bit? Alternate left and right for single-arm spider curls.
24. Dumbbell Incline Biceps Curls: Get an extra squeeze in. Sitting on a 45-degree angled incline bench with a dumbbell at each side (palms facing your thighs), curl both dumbbells up at the same time to full contraction. Avoid swinging the weight up for momentum (definitely not as easy as it sounds!).