To avoid those problems the best prevention is to make your lower back and spine muscles strong. (abmachinesguide.com)
The purpose of this this 0 - 3 month old baby massage complex is first of all to train baby's body for different movements, reduce high tone of flexor muscles of hands and feet, as well as the active development of cervical spine, strengthening the upper thoracic spine muscles and shoulder girdle. (bebezclub.com)
Injuries of the discs or cervical spine muscles are most likely to occur during flexion, but you can score some serious neck pain from forcing your neck into extension or tilting it back during certain exercises, such as the preacher curls. (fitnessandpower.com)