Final answer:
Cervical spine immobilization techniques are used in the presence of significant mechanisms of injury to prevent further damage to the neck and spinal cord.
Step-by-step explanation:
In the field of medicine, the term 'clearing cervical spines protocols' refers to the assessment and management techniques used to evaluate and treat possible injuries to the neck and spinal cord. In the presence of a significant mechanism of injury, such as a high-speed motor vehicle accident or a fall from a height, cervical spine immobilization techniques are indicated to prevent further damage and potential neurological deficits.