By
eHow Sports & Fitness Editor
Difficulty: Moderately Easy
Things You’ll Need:
Step1
Lay with your body completely flat against the mat, including your legs and back.
Step2
Raise your legs to a 45-degree angle to the mat. Straighten your legs and keep them this way during the entire exercise.
Step3
Use your abdominals to raise your upper body off the exercise mat. Go up far enough that your shoulder blades are no longer resting on the exercise mat.
Step4
Extend your arms outward and upward in a similar angle to that of your legs. Straighten your arms and keep them that way as your perform the leg flutter exercise.
Step5
Flutter your arms by moving them in a quick up and down motion. As you flutter your arms, you should feel your abdominal muscle expanding and contracting while it is still in a static crunch.
Step6
Breath quickly in and out while you flutter your arms in the upward crunch position. Your breaths should be quick and strong during this exercise.
Step7
Flutter your arms for 20 to 50 repetitions and then lay back flat on the mat. Repeat the leg flutter for additional sets, if you like.