Weight of the Human Head - Visuals To Help You Prevent Back Pain - Spine Alignment

In swim fitness, I have learned that the only part of the human body that does not float is our head. As a personal trainer, I know the importance of proper back and neck alignment. After I wrote the
Weight of the Human Head - Visuals To Help You Prevent Back Pain - Spine Alignment: Weight of the Human Head - Visuals To Help You Prevent Back Pain - Spine Alignment