Cross Body Crunches - Exercise How-to - Skimble Workout Trainer

Cross Body Crunch: Proper Exercise Form & Technique

Half Cross Extensions - Exercise How-to - Skimble Workout Trainer

Cross Body Crunches - Exercise How-to - Skimble Workout Trainer

Cross Body Crunch: Proper Exercise Form & Technique

Cross Legged Sit-Ups - Exercise How-to - Skimble Workout Trainer

Vertical Leg Crunches - Free Ab & Core Workout - Skimble

Bicycle Crunches - Exercise How-to - Skimble Workout Trainer

Reverse Crunches - Free Ab & Core Workout - Skimble

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Squat And Cross Crunch by Martel Berry - Exercise How-to - Skimble

Cross-Leg Crunch by Loni J. - Exercise How-to - Skimble

Right Oblique Crunches - Free Ab & Core Workout - Skimble