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Exercise 4 Vertical Leg Crunch

The vertical leg crunch is another effective exercise for your abdominis and the obliques. To do it right we will tell you some tipst:
a) Lie face up on the floor and extend the legs straight up with knees crossed.
b) Contract your abdominals to lift the shoulder blades off the floor, as though reaching your chest towards your feet.
c) Keep the legs in a fixed position.
d). Move the legs up and down slowly to feel your abdominals working
e) Lower and repeat for 10-14 reps.