Three Med Ball Exercise Circuit for core strength: The medicine or slam is a versatile piece of equipment that can be used for strength and for raising your heart rate. It also lends itself to partner exercises such as the last one in the list. Here are the moves: Perform each exercise for 30 seconds with 15 seconds rest/repeat 3 times. Split squat jump Rolling push up Russian Twists single or with partner Watch the full workout below Christine Litwicki is an ACE and NASM Certified Personal Trainer and a USAT Certified Level One Triathlon Coach. In this video, she will teach the Russian Twist which will improve your core strength that will help you enhance any activities that you do. Join thousands of empowered women. The Skinless Project is looking for strong, powerful women like you to join our global community. Visit and join us http://www.skinlessproject.com Like us on Facebook: http://www.facebook.com/skinlessproject Follow us on Pinterest: http://www.pinterest.com/skinlessproject