• Sit-ups target your abdominal muscles, back muscles, and hip flexors, while crunches only target your abdominal muscles. • Neither sit-ups nor crunches alone burn abdominal fat. Overall activity and ...

Workouts No planks or sit-ups: This 5-minute Pilates routine targets your deep core to build strength and stability Workouts Not squats or lunges — this is the simple Pilates exercise I use to build ...