MY QUEEN! Hilary Duff's High-Energy Piloxing Workout (blend of pilates, boxing and dance) is she not absolutely beautiful here. I know make-up is involved but that core, her facial expression, that warm up jacket!
Your achy knees while running may be due to weak hips. Strengthen the hips and running may be enjoyable again. not to mention, these exercises help shrink your hips! - I personally am not a runner, but I do happen to have very achy knees!
This is an awesome website run by two certified personal trainers and nutritionalists that focuses on toning up, and eating healthy. With printable workout plans, workout videos, lots of great recipes, and a printable monthly calendar of fitness goals.
I'd like to start running.and then add this in, I'll be beach ready in no time! A must read for RUNNERS*Strength Training For Runners Fast Abs Forget crunches. If you want to get faster, fitter, and stronger, you need to train your core like a runner.