Cervical Spine: The cervical spine refers to the uppermost section of the vertebral column, comprising seven vertebrae that constitute the neck.
Thoracic Spine: The thoracic spine is the middle section of the vertebral column, consisting of twelve vertebrae that provide attachment points for ribs and form part of the back.
Muscle Extension: Muscle extension is a movement that increases the angle between body parts, such as straightening your arm or leg from a flexed position