BODY MECHANICS

POSTURE

A healthy back has three natural curves: a slight forward curve in the neck (cervical curve), a slight backward curve in the upper back (thoracic curve), and a slight forward curve in the lower back (lumbar curve). With these curves present, your spine is in neutral alignment—the position of least amount of stress. Prolonged positions or repetitive movements without these curves present, stresses the spine. These stresses can lead to constricted blood vessels and nerves, as well as muscle, disc and joint problems. Imagine bending your finger backwards and holding it for an extended period. OUCH!

The Spinal Curves