How to do: Buttertoe Crunches

Come into a crunch position with your feet pointed, toes touching, thighs apart. Crunch up and take hold of the back of your thighs. Bend your elbows and engage your core to crunch up a little more for several reps.

Workout_trainer_icon Workout_trainer_logo_184x72

Follow along workouts & programs on your phone or tablet.

Wt_iphone_featured_68x134 Wt_ipad_do_workout_171x134

Download_app_store_ios Download_google_play_android_172x51

Join the millions of exercisers who use Workout Trainer to get fit, fast! Go PRO+ today to unlock the best mobile workout experience, plus all custom training programs!