Start on your hands and knees, with your hands under your shoulders, and knees under your hips.
Tighten the abdominal core muscles.
Extend the opposite leg and the opposite arm simultaneously, making sure your maintain good control in your body.
Do not allow your body or hips to rotate.
You should have a straight line from the tips of your fingers to the tips of your toes.
Ensure you do not arch your back.
Control the movement as you lower your arm and leg back down and repeat on the other side.
