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What is Obturator nerve innervates all of the following muscles except and explain in detail?
Obturator nerve innervates
-        Muscular branches
o   Anterior division

Pectineus
Adductor longus
Adductor brevis
Gracillis

o   Posterior division

Obturator externus
Adductor magnus

-        Articular branches
o   Anterior division

Hip joint

o   Posterior division

Knee joint

-        Vascular branches
o   Anterior division

Femoral artery