im eating at maintence calories right now. I workout 6 days a week, and 3 of those days i workout out twice. My workouts are weighted calistenics, 4-5 mile runs, plus swimming. I have recently noticed my waist has gotten larger, i have actually lost around 5 pounds but my oblique muscles have gotten larger, why has this happend? any advice is much appreciated
Your obliques are responding to either your weighted calisthenics, your swimming, or both. What exercises are you doing. Also, are you unhappy with larger obliques. In my opinion strong thick obliques look a lot better than a skinny waist, and are certainly more functional.
The waist will widen (not in a bad way!) if you regularly use free weights and do powerlifting and olympic lifting. This is because, unlike using Nautilus machines, which isolate the muscles you a working, lifting free weights forces you to use your core, and especially your obliques, to stabilize the weight. When I do front squats, I really feel it in my abs. Same definitely goes for those back exercises like deadlifts and bent over rows. This is why many bodybuilders, who do isolation movements, often have huge upper bodies and small waists, particularly the women. Then look at a crossfitter or a gymnast. These men and women are more "rectangular" shaped and proportional the whole way down since they are constantly using their abs in non-isolation movements.