CHOP UP YOUR CORE! The dumbbell woodchopper is a functional total body exercise that strengthens your core. To begin: 1. With a stance just outside shoulder width, grab a dumbbell with both hands, contract your abs, and raise the dumbbell over one shoulder with arms extended. 2. To lower the dumbbell, bend your knees, twist your torso, and explosively (while under control), with your arms straight, move your arms across your body down to the opposite foot. Do not round your back. Focus on mainta