You might have done this already, but I've used manny pacquiao's complete ab workout on youtube and it really helped strengthen my core plus with decline (incline I'm not sure) weighted sit ups.
Suicide Planks - Plank leaning on elbows, then push up to press up position and back down to elbows and repeat for 1 min. Spidermans - Start in plank position and alternate same knee to same elbow like a spiderman motion for 1 min. (outside) Same excersize except start in press up position and alternate knee to opposite elbows, as you lift knee twist and push knee as far as you can. (Inside) Marine Burpees - Incorporate press up into the burpee Russian Twists - Can incorporate holding a weight Leg raises Sit ups and throw jab/cross Squat Thrusts, single and double leg. That'll do for now.
Kick downs, and medicine ball throws (with a partner) Agree re the planks too, theyre a killer. :scaredas:
Another suggestion to add - Dumbbell rows from the press up position. If you use a decent weight you really have to work hard to resist rotation.
Best core workout for me has to be squats, One of my friends help me set up training and diet and stuff and squats was is in my training a lot, When i first started though i couldnt believe the difference
