Have you tried this?

This is a crunch and abduction at the same time. You put the resistance band around your thighs and as you come up for the crunch, spread your knees apart, causing the resistance band to stretch which works your outer thighs.


Take a lunge, and as you do, reach your arm forward (same side as front leg forward) and keep the other arm bent, like you're pointing a bow and arrow. Alternate sides.


Put the resistance band around your calves. Squat down touching your toes. When you stand from the squat, raise left leg to the side, working your outer thighs and lifting your arm. Repeat and alternate sides.


All pictures are from fitnessmagazine.com