Body Part: Core
Step 1: Lie supine on the floor with your arms and legs extended behind and in front of you. Draw in your abs.
Step 2: Slowly and simultaneously lift your opposite arm and leg bringing the arm above the shoulder and knee above your hip at 90˚ angles.
Step 3: Reverse the pattern and return to the starting position.
Step 4: Repeat on the other side. Maintain posture throughout. Avoid arching the back, letting the ribs flare or body rotate.