A strong, stable core protects your spine from injury, improves your overall strength and endurance. This dynamic (as opposed to static) core exercise targets the oblique abdominal muscle group. It is easy to do and only requires a resistance band. Add it to your gym or home core routine. This is a 15 rep set exercise demonstration. This exercise is part of a full length workout video from the mypypeline.com beginner exercise program, HFX Home Fitness Express Series, Volume 2, Session 10.