Crunch Sit Up (Fit Ball)

Primary Muscle
Primary Rectus Abdominals

Start
From a seated position on the Fit ball, step forward and roll yourself down the ball until your lower back is supported by the ball, have your legs bent at a 90-degrees and feet firmly on the ground. Arms should be held behind your head, but be sure not pull on your neck or positioned across your chest.

Movement
Keeping your abdominals drawn in towards your spine, sit up until you feel a strong contraction through the abdominal area. Be careful not to come up too high because the tension in the muscles will decrease. Squeeze the abs at the top of the motion and slowly lower yourself back the start position. Now repeat to the opposite side.

Tips
Pick a spot in the wall or ceiling just above eye level at the start position and look at this spot through out the movement. This will help with your technique. Do not over extend your spine at the bottom of the motion or sit up too far. You want to perform this exercise in between this range to get the most out of the exercises.

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