The obturator nerve typically divides into anterior and posterior branches in the obturator canal, with the nerve to adductor brevis arising from the anterior division. It is one of the first adductor motor branches and is targeted in adductor spasticity management.
The nerve to adductor brevis is injected or ablated with botulinum toxin or phenol for adductor spasticity treatment in cerebral palsy and post-stroke management. EMG-guided injection of the adductor brevis branch is more specific than bulk adductor injections. Selective neurectomy of the obturator nerve branches — including the adductor brevis branch — is performed for refractory spastic hip adduction contracture.
EMG-guided botulinum toxin injection into the nerve to adductor brevis for hip adductor spasticity reduction in cerebral palsy, reducing scissor gait and improving perineal care.
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