How To Get Perfect Abs With Crunch Variation

So, how to get perfect abs? Crunch is the most favorite answer, I guess. Variaton is needed to get your abs in shape because just doing regular crunch won't do good for you. What are those variations, anyway?

Ball Crunch

Lay down on the Swiss Ball
Bend both knees until they form a good 90 degree angle
Put both hands on the side of your head
Lift your body up
Back to original positon, repeat 10 times.

Side Ball Crunch

Lay on your body side
Put both hands on the side of your head
Positon your right leg above your left leg
Lift your body up
Back to original position
Repeat 10 times

Ab Crunch Machine

Lean back on the crunch machine
Reach the machine with both hands
Both feet resting on the bottom of the machine holder
Pull the handle to the inside and contract abdominal muscles
Hold for a moment
Pull your body inside and back to original position

Decline Oblique Crunch

Sit on a decline bench crunch
Legs attached to pads available
Hands on the side of the head
Position body parallel to the thigh
Bend your abs without moving your hips
Inhale when laying down, exhale when bending your abs

Cross Body Crunch

lay down facing to the ceiling
Hands behind head
Knees bent as shown
Simultaneously, lift your body toward your right knee
Lift your right knee toward your chest
Return to original position
Replace with left foot

Crunch Hands Overhead

lay down facing to the ceiling
Both hands straight above the head
Knees bent as shown
Lift your body until your back is also lifted from the floor
Back to original position
Repeat