LKnative - Superficial cervical plexus block

7 – Point of emergence of the superficial cervical plexus nerves

The four nerves of the superficial cervical plexus pass along the deep side of the sternocleidomastoid muscle and pierce the superficial cervical fascia at the postero-lateral margin of the sternocledomastoid muscle

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Posterior view of the superficial cervical plexus nerves, showing where the plexus’ nerves emerge from the postero-lateral margin of the sternocleidomastoid muscle