Oorsprong:
aan de pecten ossis pubis, tussen de eminentia iliopectinea en het tuberculum pubicum;
aan de bedekkende fascia die mediaal overgaat in het lig. pubicum superius;
aan de crista obturatoria en het lig. pubofemorale.
Aanhechting:
de spiervezels lopen schroefvormig naar caudaal, lateraal en dorsaal;
ze zitten vast aan de linea pectinea en aan het proximaal deel van de linea aspera, lateraal
van de oorsprong van de m. vastus medialis.
Functie:
Adductie, anteflexie en exorotatie van de dij.
Bezenuwing:
De spier kan tweelagig zijn met een verschillende innervatie voor deze 2 strata:
n. femoralis L2-3 en n. obturatorius L3
, m. adductor longus
Oorsprong:
Aan de voorvlakte van de corpus ossis pubis, net onder tuberculum pubicum.
Aanhechting:
Aan de linea aspera, labium mediale, middenste 1/3, tussen de oorsprong van de m.vastus
medialis en de m. adductor magnus.
Functie:
Adductie, anteflexie en exorotatie van de dij.
Bezenuwing:
n. obturatorius L2-L4
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