Final answer:
Sprains, herniated disk, and fractured vertebrae are all types of back injuries.
Explanation:
Sprains and strains, Herniated disk, and Fractured vertebrae are all types of back injuries. Sprains involve the stretching or tearing of ligaments, herniated disks result from the protrusion of the nucleus pulposus through the anulus fibrosus, and fractured vertebrae indicate a break in the bones of the spine.
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