The needle tip is first inserted into the fascial plane between the adductor longus and brevis and then into the fascial plane between the adductor brevis and magnus
10 mL of local anaesthetic is injected into each fascial plane
Often the target obturator nerve branches are not visible – especially before injection of local anaesthetic
Adductor brevis (cyan asterix), adductor longus (green asterix), adductor magnus (red asterix), pectineus (white asterix), local anaesthetic between adductors longus and brevis (yellow shadow), local anaesthetic between adductors brevis and magnus (purple shadow), needles (red)
