LKnative - Interscalene BP block

19 – Do not penetrate the brachial plexus nerves in the interscalene groove

It is important to advance the needle tangential to the target nerves and NOT penetrate the nerves

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By advancing the needle tangentially to the nerves, it is possible to avoid piercing the nerves
C5 = spinal nerve root of C5; C6 = spinal nerve root of C6; C7 = spinal nerve root of C7; ASM = anterior scalene muscle; MSM = middle scalene muscle