If you want a stronger core you need to do more than sit-ups. Here are 3 oblique workouts that will build and strengthen your ...
1. Get down on all fours, with your hands and knees on the ground. 2. Stretch one arm out straight while extending the opposite leg behind you. Hold for a few seconds, then come back to the starting ...
What I've learned along the way, and trainers will agree: a strong core pays off in dividends compared to the effort it takes ...