Heres an intense Ab workout to get you some lean abdominal muscles and maybe even a six-pack. This workout is hard and it works great. Give these exercises a try for as many reps as you can. Repeat this workout 2-3x for a killers ab workout. Do it 4-6x per week. You can do it with or without ankle weights but they make it more intense. Her ankle weights are 5lbs.
Exercises:
Rotating Planks with Leg Lifts
Hip Raise Planks
Mountain Climbers with sliding feet
Hip Raise Planks with sliding feet
Sliding Both legs planks
Leg Kick Back in Plank Position
Crunch reach
Leg Raise
Side Crunches
See also BikiniModelFitness.com