Upper limb
Interscalene
Brachial plexus anatomy in the interscalene region, with emphasis on the C5 and C6 roots.
Teaching video coming soon.
A dedicated lesson is planned for this reference. In the meantime, explore the anatomy and original poster below.
Interscalene · Block GuRU teaching seriesStart with the anatomy.
Brachial plexus anatomy in the interscalene region, with emphasis on the C5 and C6 roots.

Reference panel from the original Upper limb poster. View the full PDF for labels and context.
- Reference focus
- Brachial plexus roots
- Key anatomy
- Anterior and middle scalene muscles; adjacent vascular structures.
- Clinical context
- Shoulder and proximal humerus procedures.
- Consideration
- Respiratory reserve and the risk of phrenic nerve involvement are important considerations.
An educational overview for trained healthcare professionals. Technique selection, contraindications, dosing, monitoring, and rescue planning require current clinical guidance and patient-specific assessment.