The combo crunch emphasizes both the upper and lower region of the abdominal. Although the full length of the muscle is contracting, the exercise should be performed slowly to emphasize isolating the lower region of the abdominal.
Lie on your back with your legs elevated, knees bent, and ankles crossed. Place your hands behind your head. Keep your head and neck in alignment as you perform the exercise.
Slowly and gently contract the upper body toward the lower body while lifting the hips off the floor. Slowly lower to starting position. Repeat for 8 times and progress to 3 sets of 8 times.
For more great exercises to improve your strength and fitness, check these out:
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