Lordosis: Difference between revisions
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{{DiseaseDisorder infobox | | {{DiseaseDisorder infobox | | ||
Name = Lordosis | | Name = Lordosis | | ||
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ICD9 = {{ICD9|737.2}} | | ICD9 = {{ICD9|737.2}} | | ||
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{{ | {{Lordosis}} | ||
{{CMG}}; '''Associate Editor-In-Chief:''' {{CZ}} | |||
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'''Associate Editor-In-Chief:''' {{CZ}} | |||
{{SK}} Swayback; saddle back; hyper-lordosis; hollow back; flat-back | |||
==Overview== | ==Overview== | ||
'''Lordosis''' (commonly referred to as '''swayback''', '''saddle back''', or '''hyper-lordosis''') is a medical term used to describe an inward curvature of a portion of the [[vertebral column]].<ref>Gylys, B A., Wedding M E, Medical Terminology Systems, F.A. Davis Company 2005</ref> Two segments of the vertebral column, namely cervical and lumbar, are ''normally'' lordotic, that is, they are set in a curve that has its convexity [[Human_anatomical_terms#Anatomical_directions|anteriorly]] (the front) and concavity [[Human_anatomical_terms#Anatomical_directions|posteriorly]] (behind), in the context of human anatomy. When referring to the anatomy of other mammals, the direction of the curve is termed ''ventral.'' Curvature in the opposite direction, that is, apex posteriorly (humans) or dorsally (mammals) is termed [[kyphosis]]. | '''Lordosis''' (commonly referred to as '''swayback''', '''saddle back''', or '''hyper-lordosis''') is a medical term used to describe an inward curvature of a portion of the [[vertebral column]].<ref>Gylys, B A., Wedding M E, Medical Terminology Systems, F.A. Davis Company 2005</ref> Two segments of the vertebral column, namely cervical and lumbar, are ''normally'' lordotic, that is, they are set in a curve that has its convexity [[Human_anatomical_terms#Anatomical_directions|anteriorly]] (the front) and concavity [[Human_anatomical_terms#Anatomical_directions|posteriorly]] (behind), in the context of human anatomy. When referring to the anatomy of other mammals, the direction of the curve is termed ''ventral.'' Curvature in the opposite direction, that is, apex posteriorly (humans) or dorsally (mammals) is termed [[kyphosis]]. | ||
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{{reflist|2}} | {{reflist|2}} | ||
== | == Related Chapters == | ||
* [[Lordosis behavior]] | * [[Lordosis behavior]] | ||
* [[Kyphosis]] | * [[Kyphosis]] | ||
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== External links == | == External links == | ||
* [http://www.nlm.nih.gov/medlineplus/ency/article/003278.htm Lordosis - MedlinePlus definitions] | * [http://www.nlm.nih.gov/medlineplus/ency/article/003278.htm Lordosis - MedlinePlus definitions] | ||
{{Diseases of the musculoskeletal system and connective tissue}} | {{Diseases of the musculoskeletal system and connective tissue}} | ||
[[Category:Skeletal system]] | [[Category:Skeletal system]] | ||
[[Category:Rheumatology]] | [[Category:Rheumatology]] | ||
[[Category:Orthopedics]] | [[Category:Orthopedics]] | ||
[[de:Lordose]] | [[de:Lordose]] | ||
Revision as of 14:05, 5 November 2012
Template:DiseaseDisorder infobox
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Lordosis Microchapters |
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Treatment |
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Case Studies |
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Lordosis On the Web |
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American Roentgen Ray Society Images of Lordosis |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
Synonyms and keywords: Swayback; saddle back; hyper-lordosis; hollow back; flat-back
Overview
Lordosis (commonly referred to as swayback, saddle back, or hyper-lordosis) is a medical term used to describe an inward curvature of a portion of the vertebral column.[1] Two segments of the vertebral column, namely cervical and lumbar, are normally lordotic, that is, they are set in a curve that has its convexity anteriorly (the front) and concavity posteriorly (behind), in the context of human anatomy. When referring to the anatomy of other mammals, the direction of the curve is termed ventral. Curvature in the opposite direction, that is, apex posteriorly (humans) or dorsally (mammals) is termed kyphosis.
Lordotic curvatures of the vertebral column, also known as secondary curvatures are caused mainly because of the difference of thickness between the anterior and posterior part of the intervertebral disc. Those curvatures start to appear during the fetal period, but don't become evident until infancy.
Excessive lordotic curvature is also called hollow back, saddle back, and swayback. Common causes of excessive lordosis including tight low back muscles, excessive visceral fat, and pregnancy. Loss of lordosis is sometimes seen with painful spinal conditions. If rigid, usually after spinal fusion surgery, it is known as flat-back.
The familiar concave shape of the horse's back is, by extension, described as lordotic.
Lordosis behavior refers to the position that some mammals (cats, mice, rats, etc.) display when they are ready to mate.
References
- ↑ Gylys, B A., Wedding M E, Medical Terminology Systems, F.A. Davis Company 2005
Related Chapters
External links
Template:Diseases of the musculoskeletal system and connective tissue
de:Lordose et:Lordoos it:Lordosi nl:Lordose