curvature-outline - Transitions Curves page 1 of 3 ANAT...

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Transitions & Curves page 1 of 3 ANAT 51210 Lecture 21 Fall 2011 Transition Zones And Abnormal Curvature of the Spine I. Curvatures of the spine A. Normal curvature 1. Lateral curves 2. Kyphotic, primary curves: thoracic and sacrococcygeal regions 3. Lordotic, secondary curves: cervical and lumbar regions B. Abnormal curvatures of the spine 1. Nomenclature: '-osis' meaning 'condition' a. Scoliosis: abnormal lateral concavity of the spine, either right or left b. Lordosis: abnormal posterior concavity of the spine, i.e., an exaggerated lordotic curve or a flattened kyphotic curve c. Kyphosis: abnormal anterior concavity of the spine, i.e., an exaggerated kyphotic curve or a flattened lordotic curve 2. Alternate nomenclature to distinguish between normal and abnormal curve patterns a. Lordotic: the normal posterior concavity of the cervical and lumbar regions i. Hyperlordotic: increased posterior concavity of the cervical or lumbar region ii. Hypolordotic: decreased posterior concavity of the cervical or
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