Things You'll Need:
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Step 1
Lie with your back flat on the exercise mat. Bring your knees up into normal crunch position with your feet flat on the floor.
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Step 2
Drop your knees to one side so they remain bent, but now rest on the floor toward one side. Your body will now be slightly on its side.
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Step 3
Bring your hands behind your head so your fingertips just touch each other as they rest behind your head.
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Step 4
Inhale to take a breath before you perform the side crunch.
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Step 5
Use your oblique muscles to bring your body up into a side crunch. Your side will bend as your shoulder lifts off the mat into the crunch.
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Step 6
During the time that you are coming up into the crunch exhale the breath you took earlier. Be sure that your head remains in line with your neck the whole time you are performing the crunch to prevent neck strain.
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Step 7
Lower yourself gently back down on the mat as you inhale to take another breath. Repeat for 15 to 20 repetitions and then switch sides to perform the side crunch using your other set of oblique muscles.
