Raquis lumbar (pp tshare)
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Transcript of Raquis lumbar (pp tshare)
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BIOMECANICABIOMECANICA - - II
PROF. EDUARDO A. MELLADO PROF. EDUARDO A. MELLADO QUINTANAQUINTANA
KINESIOLOGO UNIVERSIDAD LA FRONTERAKINESIOLOGO UNIVERSIDAD LA FRONTERA
LICENCIADO EN KINESIOLOGIA U. CATOLICA DEL MAULELICENCIADO EN KINESIOLOGIA U. CATOLICA DEL MAULE
DIPLOMADO EN EDUCACION UNIVERSITARIA U. SAN SEBASTIANDIPLOMADO EN EDUCACION UNIVERSITARIA U. SAN SEBASTIAN
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TERCERA UNIDAD:TERCERA UNIDAD:
ANALISIS ANALISIS BBIOMECANICO IOMECANICO
SSEGMENTARIO EGMENTARIO
RRAQUIS AQUIS y y TTRONCORONCO
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CColumna olumna VVertebral ertebral y y
Fisiología Articular del Fisiología Articular del Raquis Raquis
Raquis Raquis LumbarLumbar
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TemariTemario :o :
IntroducciónIntroducción
DescripciónDescripción Curvas Curvas Unidades Estructurales: Unidades Estructurales: Vértebra – DiscoVértebra – Disco
Biomecánica Biomecánica ArticulacionesArticulaciones Dinámica ArticularDinámica Articular Estabilidad y Balance Estabilidad y Balance
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IntroducciIntroducción :ón :
Descripción
Curvas
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IntegraTronco lumbopelvico
VecindadesTronco Toráxico y parrilla costal Cintura Pélvica y extremidades Inferiores
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Curva Lordótica Concavidad Posterior
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Unidad Unidad vertebral vertebral
y y DiscalDiscal
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Cervical
Dorsal
Lumbar
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DescripciónCaracterísticas
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Ligamentos Lumbares
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BiomecánicaBiomecánica
Articulaciones y Dinámica RaquídeaArticulaciones y Dinámica Raquídea
Movilidad del Raquis LumbarMovilidad del Raquis LumbarOsteocinematicaOsteocinematicaArtrocinematicaArtrocinematica
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MOVILIDAD MOVILIDAD DEL DEL
RAQUIS LUMBARRAQUIS LUMBAR
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AMPLITUD GLOBAL DE LA MOVILIDAD AMPLITUD GLOBAL DE LA MOVILIDAD DEL RAQUIS DORSALDEL RAQUIS DORSAL
El raquis lumbar, al igual que todo el El raquis lumbar, al igual que todo el raquis, posee tres grados de libertad, con raquis, posee tres grados de libertad, con seis movimientos:seis movimientos:
Flexo – ExtensiónFlexo – ExtensiónInflexión lateralInflexión lateralRotación Rotación
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Los movimientos globales no son la Los movimientos globales no son la manifestación de la sumatoria de los manifestación de la sumatoria de los movimientos unitarios, dadas las movimientos unitarios, dadas las tenciones capsulo - ligamentos y tenciones capsulo - ligamentos y musculares.musculares.
Varia según edad, biotipo y antropometríaVaria según edad, biotipo y antropometría
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OsteoquinematicaOsteoquinematica
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Flexo – ExtensiónFlexo – Extensión• Plano sagital, eje perlateralPlano sagital, eje perlateralLumbar:Lumbar: F = 60º E = 35º F = 60º E = 35ºInflexión LateralInflexión Lateral• Plano frontal, eje antero posteriorPlano frontal, eje antero posteriorLumbar:Lumbar: I = 20º I = 20ºRotación AxialRotación Axial• Plano horizontal, eje céfalo podálicoPlano horizontal, eje céfalo podálicoLumbar:Lumbar: R = 5º R = 5º
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Flexión - Extensión
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Inflexión Lateral
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Rotación
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ArtroquinematicaArtroquinematica
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Flexión Extensión
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Inflexión Lateral
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Rotación
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DESBALANCES MECÁNICOS :DESBALANCES MECÁNICOS :
Alteración de la EstabilidadAlteración de la EstabilidadAlteración de la movilidad Alteración de la movilidad
( hipo, hiper )( hipo, hiper )Alteración de las CurvasAlteración de las Curvas
( hiper, Hipo)( hiper, Hipo)
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RAQUIS RAQUIS SACRO - SACRO - COXIGEOCOXIGEO
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Charnela Lumbosacra
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Sacro en la Vertical
Fuerza Peso P100% estabilizadora
compresiva
P
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Sacro en la Horizontal
Fuerza Peso P100% paralela
deslizante P
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Relación Relación Lumbo – Sacro - Lumbo – Sacro - PélvicaPélvica
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Dimorfismo Pélvico Sexual
H
M
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Ligamentos Lumbo - Pélvicos
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Ligamentos Sacro – coxales:
Sacro – Iliacos AnterioresSacro – Iliacos PosterioresSacro - Isquiáticos
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Estabilidad Lumbo - Sacra
Fuerzas Estabilizadoras:Ligamentos Caudales con componente normal del pesoLigamentos Craneales
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a
b
Relación:
Lumbo – SacraSacro – PélvicaLumbo – Pélvica
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C 3
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H
M
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Movimientos Pélvicos
Normal Retroversión Anteversión
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Modificaciones esperables, dados los Modificaciones esperables, dados los movimientos normalesmovimientos normales
HiperlordosisLumbar
AnteversiónPélvica
Horizontalizacion Sacra
HipolordosisLumbar
Verticalizacion Sacra
RetroversiónPélvica
Si no se manifiestan estas relaciones, se producen Disfunciones
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Horizontalizacion Sacra
Nutacion
VerticalizacionSacra
Contra nutación
Hiperflexion Cadera
Hiperextension Cadera
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