Move: Stand with your feet wide. Shift your body weight side to side. When you lunge to the right, backstroke your right arm, with your shoulder blade initiating the move. As you lunge left, backstroke the left arm.
Repetitions: 30 total (15 to the right and 15 to the left).
• Feet wide. Do not let your knees jut over your toes in the lunge.
• Feel the ribs open up and the shoulders and shoulder blades move as you make the move bigger.