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WBW Spine Anatomy
Spine, sacrum, pelvis, and head/tail connection.
Term | Definition |
---|---|
The 3 Main Spine Functions | Supports all the weight of the upper body, provides stability and mobility, and carries the weight of the head, organs, limbs, and protects the spinal cord. |
Number of Cervical Vertebrae | 7 |
Number of Thoracic Vertebrae | 12 |
Number of Lumbar Vertebrae | 5 |
Number of Sacrum Vertebrae | 5 (fused) |
Number of Coccyx | 4 (fused) |
Atlas | The uppermost vertebrae that enables you to say "yes." |
Axis | The uppermost vertebrae that enables you to say "no." |
Thoracic & Sacral Curve | The primary curves that the body is born with from the fetal position in the womb |
Cervical & Lumbar Curve | Secondary curves of the spine and appears after birth when an infant lifts its head in prone position. |
Lumbar Capability | Flexion, extension, and hyperextension. NO ROTATION |
Thoracic Capability | Lateral flexion and rotation. Hyperextension is limited! |
Cervical Capability | All possible motions are free. |