After delivery i got all clear from doctor, and now need to lose approx 20lb. Need some good core workout plan to strengthen the ab muscles.
I would start out with some planks to strengthen that core. And then gradually add other flexion and rotation exercise.
Here are some of the articles that might help: http://www.exercisebiology.com/index.php/site/articles/how_many_ab_exercises_should_i_do/
Just watch your diet. Let me know if you any diet questions.
Exercise Biology - The Science of Exercise & Nutrition
Don’t forget about working on the Plate not just the weights. Diet is key
Good luck and keep us posted!
What the previous poster said.