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Samenvatting LP11: abdomen

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samenvatting LP11: abdomen

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Samenvatting LP 11: Abdomen

Algemene begrippen en grenzen

4 Regio’s
= Linksboven, rechtsboven, Links onder, rechts onder kwadrant


9 Regio’s
= midclaviculaire lijnen, subcostaal vlak en transtuberculair vlak
= linker & rechter hypochonder, epigastrum, linker & rechter flank, umbilicale regio, linker & rechter
liesstreek, pubische regio




Algemeen
Buikwand- beendering
• L1-L5
• Rib 11 en rib 12
• processus xiphoideus
• bekkenvleugels
Buikwand- spieren
• paravertebraal: 3 spieren
• Lateraal: 3 schuine buikspieren
• Anterior: m rectus abdominis 1

, Paravertebrale spieren:
m quadratus lumborum
m psoas (heupflexor) (major en minor)
m iliacus (heupflexor)
Laterale schuine buikspieren:
m obliquus abdominis externus
m obliquus abdominis internus
m transversus abdominis
Verticale buikspieren:
m rectus abdominis
m pyramidalis


Abdomen: verbinding caudaal naar pelvis & onderste lidmaat
Continuïteit abdomen - pelvis: belang bij kliniek!

Diafragma & ligamenta arcuata
• Mediaan: aorta, ductus thoracicus
—> Crus dexter, crus sinister (spierbundels die
vasthechten)
• Mediaal: M psoas
• Lateraal: M Quadratus lumborum


Crus dexter, lus: oesophagus, Nn X
Pars tendinea: vena cava inferior, N Phrenicus dexter


Kliniek:
• plotse verhoging in thorax of abdomen —> ruptuur
diafragma ( 90% links)
• Hernia diafragmatica
• congenitale defecten
• bealngrijkste spier voor admehaling
• Sectie N phrenicus —> hoogstand diafragmakoepel (parese) 2

, Ademhaling

Inspiratie: contractie v diafragma, thorax groter en
buik kleiner, relaxatie abdominale spierwand
Expiratie: abdominale spierwand samengetrokken
en diafragma naar boven




Persen

vb stoelgang maken: larynx gesloten,
diafragma gefixeerd zodat lucht in de
longen blijft, contractie abdominale wand
—> overdruk gecreëerd in buik




Anterolaterale spieren
• Helpen bij rompbeweging L1-L5
• positie plevis bij rechtstaan
• compressie abdominale organen
• functies bij ademhaling
• buikpers




Linea alba loopt tussen pubis en proc. xiphoideus
3

, Grenzen van abdomen - pelvis




4

Document information

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Uploaded on
February 11, 2026
Number of pages
36
Written in
2025/2026
Type
Summary
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