Musculi
m. latissimus dorsi
- Origo: processus spinosi T7 - T12, rib 10-12, fascia
thoracolumbalis, crista iliaca
Insertie: crista tuberculi minoris humeri
- Functie: retroflexie humerus, adductie humerus,
endorotatie humerus, ondersteuning ademhaling.
- Zenuw: nervus thoracodorsalis (C6 - C8)
m. iliocostalis lumborum
- Origo: ventrale zijde aponeurose en het dorsale deel van de crista
iliaca
- Insertie: de angulus costae van de onderste 8 ribben en de laterale
procc. costales van L1-L5
- Functie: extensie en lateroflexie
- Zenuw: Th7 tot L3
m. longissimus thoracis
- Origo: het dorsaal deel van de crista iliaca en de ventrale zijde van de
aponeurose
- Insertie: onderste 8 ribben, T1-T12 en L1-L5
- Functie: flexie en extensie
- Zenuw: Th7 tot L5
m. multifidus lumborum
- Origo: processus mamillaria.
- Insertie: caudale zijde van hogere gelegen processus spinosi.
- Functie: Extensie en heterolaterale rotator
- Zenuw: Posterior branches
m. quadratus lumborum
- Origo: de crista iliaca en het ligamentum iliolumbare
- Insertie: rib 12 en de processus costalis van L1-L4.
- Functie: laterale flexie en extensie
- Zenuw: nervus lumbaris
m. trapezius pars transversa
- Origo: processus spinosi C6-Th3
- Insertie: mediale zijde acromion, craniale zijde
spina scapulae.
- Functie: Retractie en laterorotatie
- Zenuw: nervus accessorius.
m. trapezius pars ascendens
- Origo: processus spinosi Th4-Th12
- Insertie: direct lateraal van het driehoekige
mediale uiteinde van de spina scapulae
- Functie: retractie, depressie en laterorotatie
- Zenuw: nervus accessorius.
m. rhomboideus minor
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