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Blok 1.5 - OG 3: Al die bewegingen... (praxis): Samenvatting

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In dit document vind u OG 3 terug die gaat over praxis/motoriek. Ook zijn er afbeeldingen aanwezig in de samenvatting.

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Summarized whole book?
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Which chapters are summarized?
Hoofdstuk 10: beweging & bewegingscontrole
Uploaded on
July 12, 2021
Number of pages
7
Written in
2020/2021
Type
Summary

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OG 3: Al die bewegingen (praxis)
Samenvatting
Blok 1.5




3 BASISPROCESSEN IN CZS

1. Initiëren van de beweging
● Besluit tot beweging
● Vaststellen richting, snelheid & doel
● Commando niveau

2. Programmeren van beweging
● In actie brengen v juiste spiergroepen (in juiste volgorde)
● Coördinatie niveau

3. Uitvoeren van beweging
● Activatie motorische eenheden
● Bediening motorische eenheden met juiste frequentie ap
● Perifeer servosysteem




ORGANISATIE: 3 NIVEAUS

, COMMANDO NIVEAU

Ligging
● Cerebrale cortex (vooral frontaal deel)
○ Primaire motorische cortex
■ Gelegen voor gyrus precentralis
■ Somatotopische indeling: ieder gebied op schors gaat bepaalde
spiergroep aansturen
■ Verantwoordelijk voor: uitvoering bewegingen
○ Premotorische velden
■ Supplementaire motorische cortex (secundair)
● Onbewuste sturing in samenwerking met cerebellum & basale
ganglia (spierspanning)
● Verantwoordelijk voor: programmering v beweging
■ Premotorische cortex (tertiair)
● Stuurt bewegingen v axiale spiergroepen
● Meestal via extrapiramidale baan




Functies
● Initiatie
● Programma versturen
● Willekeurige bewegingen w aangezet &
gestuurd




COÖRDINATIE NIVEAU


Ligging & onderdelen
● Cerebellum (kleine hersenen)
○ 3 delen:
■ Archi/vestibulocerebellum
● Evenwicht behouden → input v evenwichtsorgaan
● Regulatie v oogbewegingen tov hoofdbewegingen (vestibulo-
oculaire reflex)
■ Paleo/spinocerebellum
● Tonus & houdingsregulatie
● Input v proprioceptieve & exteroceptieve structuren
● Verwerking sensorische feedback obv efferentie kopie
■ Neo/cerebrocerebellum
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