**Extra Credit: According to Bontragers, list the 5 Lower Sp…
**Extra Credit: According to Bontragers, list the 5 Lower Spine landmarks and their associated vertebral levels: This extra credit question is worth 2.5% (.5% for each landmark and the associated vertebral level) Here is an example of a cervical spine landmark and associated vertebral level 1. Thyroid cartilage = C4-5
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