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Samenvatting ontleedkunde - myologie algemeen - W. Teughels

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Mooie, goede samenvatting van het deel myologie van ontleedkunde. Dit deel bevat alle spieren buiten het hoofd-hals gedeelte. Bevat duidelijke tekeningen/afbeeldingen.

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Spieren van de romp
Inleiding
• ademhaling
• 2 groepen:
‣ Thorax
‣ Abdominale wand
• 2 bewegingen:
‣ Inspiratie:
• Diafragma
• m intercostales externi
• Scalenus spieren
‣ expiratie:
• m intercostales interni
• Spieren abdominale wand




Thoracale spieren
Diafragma
• Origo:
‣ proc. Xiphoideus vh sternum
‣ Binnenzijde arcus costalis tot rib 12
‣ Fascia over spieren posterieure abdominale wand
• Verloop: 3 doorgangen:
‣ Vena cava inferior (foramen)
‣ Oesophagus (hiatus)
‣ Aorta descendens (hiatus)
• Functie:
‣ Inspiratie: caudale beweging
• Expansie longen
• Ingewanden nr beneden duwen
‣ hik
‣ Expiratie: craniale beweging
• Geen contractie —> elastische kracht
• Ingewanden craniaal duwen door spieren abdominale wand
‣ Ademsteun zangers
• Bezenuwing: n. Phrenicus (plexus cervicalis)

,M. Intercostales externi
• 11 paar spieren tussen ribben
• Origo: craniale rib
• Verloop:
‣ van tuberculum costae tot midden cartilago costa
‣ Caudaal en ventraal
‣ Loodrecht op intercostales interni
• Insertio: caudale rib
• Functie:
‣ Inspiratie
‣ cranio-ventraalwaartse beweging
‣ Ribben dichter bij elkaar en naar voren

M. Intercostales interni
• Origo: caudale rib
• Verloop:
‣ Van angulus costae
‣ tot einde intercostale ruimte
‣ Ventraal en craniaal
• Insertio: craniale rib
• Functie:
‣ Expiratie
‣ Caudo-dorsale beweging er

Abdominale spieren
M. Rectus abdominis
• de buikspier —> six-pack
• 2 parallele spieren verdeeld door linea alba (van proc. xiphoideus tot pubis)
• Meerbuikig met 3 tot 4 tussenpezen
• Origo: cartilago costa 5, 6, 7
• Insertio: ventrale rand pubis
• Functie:
‣ geforceerde uitademing (hoesten niezen)
‣ Flexie ruggengraat
‣ Intact houden v inwendige organen
‣ Creëeren van intra-abdominale druk

, M. Transversus abdominis
• onderste
• origo:
‣ Cartilago costa laatste 6 ribben
‣ Fascia lumbalis
‣ Cresta iliaca
‣ Ligamentum inguinale
• Verloop: horizontaal/ventraal
• Insertio: fascia rondom m. Rectus abdominis (aponeurosis transversus)

M. Obliquus internus abdominis
• Middenste
• Origo:
‣ Fascia lumbalis
‣ Cresta iliaca
‣ Ligamentum inguinale
• Verloop:
‣ craniaal (bovenste vezels)
‣ transversaal (middelste vezels)
‣ caudaal (onderste vezels)
• Insertio:
‣ Onderste 3 ribben
‣ Fascia rondom m. Rectus abdominis (aponeurosis obliquus internus)

M. Obliquus externus abdominis
• Bovenste
• Origo: laterale vlak vd onderrand vd laatste 8 ribben —> zigzag
• Veroop:
‣ Lateraal: ventraal en caudaal
‣ Frontaal: mediaal en caudaal
• Insertio:
‣ Posterieure deel (rib 12 tot 10): buitenrand spina iliaca
‣ Anterieure deel (rib 9 tot 6):
• Fascia rondom m. Rectus abd. (Aponeurosis obliquus externus)
• Ligamentum inguinale

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Uploaded on
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Number of pages
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Written in
2023/2024
Type
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