strength. – Loon DodCrunches, some with a twist at the top of the crunch and high reps, help core stability. You could throw in some press-ups – when doing them try to keep your whole body absolutely straight, so your arms should be the only thing moving. I

class or similar core stability class to learn good techniques? I would suggest doing Pilates, or perhaps an "abs" class or similar at the gym before your treadmill run. Once you are confident with Pilates or other techniques, you can incorporate some

, and making sure I don't twist or swing one arm more than the other may help a bit. – Kristin RawCore strength = stitch-free insidesI had this problem. I think it was to do with my core stability, as it happened no matter what! Keeping the stomach muscles taut

couple of months. Take it gradually, and definitely do some core stability and pelvic floor exercises. Don't expect to be anywhere near your pre-pregnancy fitness. – Jayne EcottYou know your body better than your midwife doesThe key thing is to do what

? (grasshopper1)Strength training with free weights, the Swiss ball for core stability, different types of stretch and stability exercises – all those are twice a week. And I try to fit in some time on a Nordic ski machine, elliptical trainer or aqua jogger