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Samenvatting oorsprong, aanhechting en functie spieren onderste lidmaat $8.04   Add to cart

Summary

Samenvatting oorsprong, aanhechting en functie spieren onderste lidmaat

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Lijst van alle spieren van het onderste lidmaat. Per spier staat oorsprong, aanhechting en functie vermeld.

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  • February 21, 2024
  • 10
  • 2021/2022
  • Summary
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Heupspieren
Inwendige heupspieren

m. iliopsoas (2 delen, nl. psoas major en iliacus)

m. psoas major
origo
- processus spinosus van alle lendenwervels
- wervellichamen van alle lendenwervels + van T12
- tussenwervelschijven van alle lendenwervels + van T12

insertie
- trochanter minor

m. iliacus
origo
- fossa iliaca

insertie
- trochanter minor

functie gehele spier
- flexie heup
- adductie heup

m. psoas minor
origo
- wervellichaam T12-L1

insertie
- eminentia iliopubica

functie
geen specifieke werking gekend, spier ontbreekt bij 50% van de mensen

Uitwendige heupspieren
m. gluteus maximus
origo
- linea glutea posterior
- achterzijde lig. sacrotuberale
- achterzijde os coccyx
- achterzijde os sacrum

insertie
- tuberositas glutea
- fascia latae
functie
- extensie heup

, - exorotatie heup (naar kleermakerszit)
- onderste vezels: adductie
- bovenste vezels: abductie

m. gluteus medius
origo
- tussen linea glutea posterior en anterior → facies glutea

insertie
- achter zijvlak van trochanter major

functie
- abductie heup
- voorste vezels: endorotatie
- achterste vezels: exorotatie

m. gluteus minimus
origo
- driehoekig veld tussen linea glutea inferior en anterior

insertie
- trochanter major

functie
- abductie heup
- endorotatie heup

m. piriformis
origo
- facies pelvina van het sacrum (ventrale oppervlak van sacrum)

insertie
- mediale bovenvlak trochanter major

functie
- gestrekte heup (bv. als je rechtstaat): exorotatie
- gebogen heup: abductie
- fixatie femurkop

m. obturatorius internus
origo
- binnenzijde membrana obturatoria
- benige omranding van foramen obturatum

insertie
- fossa trochanterica
functie
- heup: exorotatie

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