This workout activates & strengthens all your core muscles to help you achieve a sexy midsection and stronger back. Anna uses a physio ball for this workout for additional burn. Physio balls can be purchased at aktinmotion.com.
4 Exercises X 4 Circuits = 4Play. This workout is the quickest and most effective way to build lean muscle mass while improving your overall strength and power through a combination of HIIT intervals, functional strength training, and dynamic stretching.